私が愛する Elixir/Erlang の楽しさと辛さ

$PQZSJHIU $ HVNJ*OD"MM3JHIUT3FTFSWFE ࢲ͕Ѫ͢Δ Elixir/Erlang ͷָ͠͞ͱਏ͞ Developers Summit 2019 15-D-5
͜ΕΛ·ͩ஌Βͳ͍8FCΤϯδχΞ΁ଃΔ ೥݄೔ HVNJ*OD$50زాխਔ

$PQZSJHIU $ HVNJ*OD"MM3JHIUT3FTFSWFE ձࣾ঺հ ೥ ઃཱ ೥ ήʔϜೝূ՝ۚαʔϏεʹ &SMBOHΛ࠾༻ ೥
ήʔϜৗ࣌઀ଓαʔόʹ &SMBOHΛ࠾༻ ೥ ήʔϜೝূ՝ۚαʔϏεʹ &MJYJSΛ࠾༻ ೥ ήʔϜ"1*αʔόʹ &MJYJSΛ࠾༻ ೥ ΠϚίί

$PQZSJHIU $ HVNJ*OD"MM3JHIUT3FTFSWFE ࣗݾ঺հ زాխਔ ͍ͨ͘ ·͞ͻͱ زాխਔ ͍ͨ͘ ·͞ͻͱ
೥ &SMBOHͱग़ձ͏ ೥ &SMBOHͰ ΫϨδοτܾࡁαʔϏεΛߏங ೥ HVNJ*OD΁ೖࣾ͢Δ ೥ &SMBOHͰ ήʔϜೝূ՝ۚαʔϏεΛߏங ೥ &MJYJSͱग़ձ͏ ೥ HVNJ*OD$50ʹͳΔ ೥ +BQBO&MJYJS"TTPDJBUJPO΁ࢀՃ ࣾ಺Ͱ&MJYJS࠾༻Λڣͼ࢝ΊΔ ೥ ΠϚίί

$PQZSJHIU $ HVNJ*OD"MM3JHIUT3FTFSWFE ࠓ೔ͷ࿩͠

$PQZSJHIU $ HVNJ*OD"MM3JHIUT3FTFSWFE ࠓ೔ͷ࿩͠ 8FC։ൃऀͷ೰Έ

$PQZSJHIU $ HVNJ*OD"MM3JHIUT3FTFSWFE ࠓ೔ͷ࿩͠ ૉૣ͘ϦϦʔε͍ͨ͠ 8FC։ൃऀͷ೰Έ

$PQZSJHIU $ HVNJ*OD"MM3JHIUT3FTFSWFE ࠓ೔ͷ࿩͠ ૉૣ͘ϦϦʔε͍ͨ͠ 8FC։ൃऀͷ೰Έ ߨٛϊʔτ ɹ৽͍ٕ͠ज़Λֶͼͳ͕Β ೲظ͕୹͍࢓ࣄʹରԠ͍ͯ͠Δ

$PQZSJHIU $ HVNJ*OD"MM3JHIUT3FTFSWFE ࠓ೔ͷ࿩͠ ૉૣ͘ϦϦʔε͍ͨ͠ 8FC։ൃऀͷ೰Έ ߨٛϊʔτ ɹۤ࿑ͷ຤ ظؒ಺ʹαʔϏεΛϦϦʔε͢Δ͕ʜ

$PQZSJHIU $ HVNJ*OD"MM3JHIUT3FTFSWFE ࠓ೔ͷ࿩͠ ૉૣ͘ϦϦʔε͍ͨ͠ ૿͑ଓ͚ΔΫϥΠΞϯτ 8FC։ൃऀͷ೰Έ

$PQZSJHIU $ HVNJ*OD"MM3JHIUT3FTFSWFE ࠓ೔ͷ࿩͠ ૉૣ͘ϦϦʔε͍ͨ͠ ૿͑ଓ͚ΔΫϥΠΞϯτ 8FC։ൃऀͷ೰Έ ߨٛϊʔτ ɹαʔϏε͕੒ޭ͢Δͱ ΞΫηε਺͕૿͑ଓ͚Δ
ɹͦ͜Ͱʜ

$PQZSJHIU $ HVNJ*OD"MM3JHIUT3FTFSWFE ࠓ೔ͷ࿩͠ ૉૣ͘ϦϦʔε͍ͨ͠ ૿͑ଓ͚ΔΫϥΠΞϯτ ංେԽ͢Δαʔόߏ੒ 8FC։ൃऀͷ೰Έ

$PQZSJHIU $ HVNJ*OD"MM3JHIUT3FTFSWFE ࠓ೔ͷ࿩͠ ૉૣ͘ϦϦʔε͍ͨ͠ ૿͑ଓ͚ΔΫϥΠΞϯτ ංେԽ͢Δαʔόߏ੒ 8FC։ൃऀͷ೰Έ ߨٛϊʔτ ɹӡ༻ίετ্͕͕Δ͜ͱΛঝ஌Ͱ
αʔόΛ૿ڧ͢Δ ɹ͞Βʹʜ

$PQZSJHIU $ HVNJ*OD"MM3JHIUT3FTFSWFE ࠓ೔ͷ࿩͠ ૉૣ͘ϦϦʔε͍ͨ͠ ૿͑ଓ͚ΔΫϥΠΞϯτ ංେԽ͢Δαʔόߏ੒ 8FC։ൃऀͷ೰Έ ෳࡶԽ͢Δίʔυ

$PQZSJHIU $ HVNJ*OD"MM3JHIUT3FTFSWFE ࠓ೔ͷ࿩͠ ૉૣ͘ϦϦʔε͍ͨ͠ ૿͑ଓ͚ΔΫϥΠΞϯτ ංେԽ͢Δαʔόߏ੒ 8FC։ൃऀͷ೰Έ ෳࡶԽ͢Δίʔυ ߨٛϊʔτ
ɹίʔυͷՄಡੑΛམͱͯ͠ ॲཧੑೳҐΛ্͛Δ͜ͱ΋͋Δ FH ετΞΛਫฏ෼ׂ εϨου΍ίϧʔνϯ

$PQZSJHIU $ HVNJ*OD"MM3JHIUT3FTFSWFE ࠓ೔ͷ࿩͠ ૉૣ͘ϦϦʔε͍ͨ͠ ૿͑ଓ͚ΔΫϥΠΞϯτ ංେԽ͢Δαʔόߏ੒ ෳࡶԽ͢Δαʔόߏ੒ 8FC։ൃऀͷ೰Έ ෳࡶԽ͢Δίʔυ

ߨٛϊʔτ ɹϢʔβಉ࢜ͷΠϯλϥΫγϣϯ͕૿͑ΔΑ͏ͳϏδωεཁ݅Λຬ ͨͨ͢Ί ৗ࣌઀ଓ ͔ͭ εςʔτϑϧͳߏ੒ΛՃ͑Δ͜ͱ΋͋Δ ɹ݁Ռʜ

$PQZSJHIU $ HVNJ*OD"MM3JHIUT3FTFSWFE ࠓ೔ͷ࿩͠ 8FC։ൃऀͷ೰Έ ૉૣ͘ϦϦʔε͍ͨ͠ ૿͑ଓ͚ΔΫϥΠΞϯτ ංେԽ͢Δαʔόߏ੒ ෳࡶԽ͢Δαʔόߏ੒ ӡ༻
อकͱ֦ு ͕ ਏ͍

ߨٛϊʔτ ɹ͜ΕΒͷਏ͞ΛऔΓআ͘ཁૉ͕̏ͭ͋Δ

$PQZSJHIU $ HVNJ*OD"MM3JHIUT3FTFSWFE ࠓ೔ͷ࿩͠ 8FC։ൃऀͷ೰Έ ૉૣ͘ϦϦʔε͍ͨ͠ ૿͑ଓ͚ΔΫϥΠΞϯτ ංେԽ͢Δαʔόߏ੒ ෳࡶԽ͢Δαʔόߏ੒ A
ฒߦੑ

ฒߦੑ ߨٛϊʔτ ɹΞΫηε਺͕૿͑ͯ΋ ߏ੒͕ංେԽ͠ͳ͍Α͏ ฒߦॲཧͷ࢓૊ Έ͕ଘࡏ͍ͯ͠Δ͜ͱ

ฒߦੑ ϝϯςϯφϯεੑ

ฒߦੑ ϝϯςϯφϯεੑ ߨٛϊʔτ ɹΞΫηε਺ʹ഑ྀͨ͠ίʔυΛهड़ͯ͠΋ ίʔυ͕ෳࡶԽͤͣ ϝϯςφϯεੑ͕ଛͳΘΕͳ͍࢓૊Έ͕ଘࡏ͍ͯ͠Δ͜ͱ

ฒߦੑ ϝϯςϯφϯεੑ ଱ো֐ੑ

ฒߦੑ ϝϯςϯφϯεੑ ଱ো֐ੑ ߨٛϊʔτ ɹো֐ରԠͷίετΛԼ͛ΔͨΊʹ ҆શੑʹ഑ྀͨ͠࢓૊Έ͕ଘ ࡏ͍ͯ͠Δ͜ͱ

ฒߦੑ ϝϯςϯφϯεੑ ଱ো֐ੑ

$PQZSJHIU $ HVNJ*OD"MM3JHIUT3FTFSWFE ࠓ೔ͷ࿩͠ ฒߦੑ ϝϯςφϯεੑ ଱ো֐ੑʹ༏Εͨ 8FCαʔϏεΛ ։ൃͰ͖Δੈք΁
Α͏ͦ͜ʂ

Α͏ͦ͜ʂ ߨٛϊʔτ ɹͰ͸ ࣮ࡍͷ׆༻ࣄྫ͸

$PQZSJHIU $ HVNJ*OD"MM3JHIUT3FTFSWFE ࠓ೔ͷ࿩͠ HVNJ*OD ࣮ྫ ϚΠΫϩαʔϏε܈ ήʔϜαʔό܈ ʜ ೝূ
՝ۚ ϓϥοτϑΥʔϜ܈

$PQZSJHIU $ HVNJ*OD"MM3JHIUT3FTFSWFE ࠓ೔ͷ࿩͠ HVNJ*OD ࣮ྫ ϚΠΫϩαʔϏε܈ ήʔϜαʔό܈ 1SPYZ ʜ
"1* ೝূ ՝ۚ ϓϥοτϑΥʔϜ܈ ༷ʑͳ ݴޠ

1VC4VC "1* ೝূ ՝ۚ ϓϥοτϑΥʔϜ܈ ༷ʑͳ ݴޠ

1VC4VC "1* ೝূ ՝ۚ ϓϥοτϑΥʔϜ܈

$PQZSJHIU $ HVNJ*OD"MM3JHIUT3FTFSWFE ࠓ೔ͷ࿩͠ HVNJ*OD ͓ख఻͍ͷ࣮ྫ ϚΠΫϩαʔϏε܈ ήʔϜαʔό܈ 1SPYZ 0DVMVT4UPSF
'BDFCPPL ʜ 1VC4VC "1* ೝূ ՝ۚ ഑৴ ഑৴ελδΦ 6OJUZ IUUQTWBSLDPKQ ˡ৽ن։ൃ ࡾϲ݄͘Β͍ ϓϥοτϑΥʔϜ܈

Α͏ͦ͜ʂ

Α͏ͦ͜ʂ ߨٛϊʔτ ɹͱ͜ΖͰ

Α͏ͦ͜ʂ

Α͏ͦ͜ʂ 3VCZ /PEFKT 4DBMB &MJYJS ๭ٻਓαΠτਖ਼ࣾһٻਓ਺ ೥݄೔ݱࡏ ݅ ݅ ݅ ݅

Α͏ͦ͜ʂ ྲྀߦͬͯͳ͍

$PQZSJHIU $ HVNJ*OD"MM3JHIUT3FTFSWFE ࠓ೔ͷ࿩͠ ྲྀߦͬͯͳ͍

$PQZSJHIU $ HVNJ*OD"MM3JHIUT3FTFSWFE ࠓ೔ͷ࿩͠ ྲྀߦͬͯͳ͍ 8FC։ൃͷͨΊͷ༏लͳπʔϧ׬උ

$PQZSJHIU $ HVNJ*OD"MM3JHIUT3FTFSWFE ࠓ೔ͷ࿩͠ ྲྀߦͬͯͳ͍ 8FC։ൃͷͨΊͷ༏लͳπʔϧ׬උ ߨٛϊʔτ ɹ8FC։ൃऀ͕։ൃʹूதͰ͖ΔͨΊͷπʔϧ͕ἧ͍ͬͯΔ ɹNJY 1IPFOJY
FDUPͳͲ

$PQZSJHIU $ HVNJ*OD"MM3JHIUT3FTFSWFE ࠓ೔ͷ࿩͠ ྲྀߦͬͯͳ͍ 8FC։ൃͷͨΊͷ༏लͳπʔϧ׬උ αʔόߏ੒ΛγϯϓϧʹอͯΔ

$PQZSJHIU $ HVNJ*OD"MM3JHIUT3FTFSWFE ࠓ೔ͷ࿩͠ ྲྀߦͬͯͳ͍ 8FC։ൃͷͨΊͷ༏लͳπʔϧ׬උ αʔόߏ੒ΛγϯϓϧʹอͯΔ ίʔυΛγϯϓϧʹอͯΔ

$PQZSJHIU $ HVNJ*OD"MM3JHIUT3FTFSWFE ࠓ೔ͷ࿩͠ ྲྀߦͬͯͳ͍ 8FC։ൃͷͨΊͷ༏लͳπʔϧ׬උ αʔόߏ੒ΛγϯϓϧʹอͯΔ ίʔυΛγϯϓϧʹอͯΔ ͔͠΋ʜ໷৸ΕΔʂ

$PQZSJHIU $ HVNJ*OD"MM3JHIUT3FTFSWFE ࠓ೔ͷ࿩͠ ྲྀߦͬͯͳ͍ 8FC։ൃͷͨΊͷ༏लͳπʔϧ׬උ αʔόߏ੒ΛγϯϓϧʹอͯΔ ίʔυΛγϯϓϧʹอͯΔ ͔͠΋ʜ໷৸ΕΔʂ ͳͥ
ྲྀߦΒͳ͍

$PQZSJHIU $ HVNJ*OD"MM3JHIUT3FTFSWFE ࠓ೔ͷ࿩͠ ͳͥ ྲྀߦΒͳ͍

$PQZSJHIU $ HVNJ*OD"MM3JHIUT3FTFSWFE ࠓ೔ͷ࿩͠ ͳͥ ྲྀߦΒͳ͍ ೲظ͕୹͍

$PQZSJHIU $ HVNJ*OD"MM3JHIUT3FTFSWFE ࠓ೔ͷ࿩͠ ͳͥ ྲྀߦΒͳ͍ ֶशίετ͕ߴ͍ ͱࢥΘΕ͍ͯΔ ೲظ͕୹͍ ☓

$PQZSJHIU $ HVNJ*OD"MM3JHIUT3FTFSWFE ࠓ೔ͷ࿩͠ ͳͥ ྲྀߦΒͳ͍ ֶशίετ͕ߴ͍ ͱࢥΘΕ͍ͯΔ ೲظ͕୹͍ ☓
ʹ ࠾༻͞Εͳ͍

$PQZSJHIU $ HVNJ*OD"MM3JHIUT3FTFSWFE ࠓ೔ͷ࿩͠ ֶशίετ͕ߴ͍ ͱࢥΘΕ͍ͯΔ

$PQZSJHIU $ HVNJ*OD"MM3JHIUT3FTFSWFE ฒߦॲཧ ࠓ೔ͷ࿩͠ ֶशίετ͕ߴ͍ ͱࢥΘΕ͍ͯΔ

$PQZSJHIU $ HVNJ*OD"MM3JHIUT3FTFSWFE ฒߦॲཧ ࠓ೔ͷ࿩͠ ֶशίετ͕ߴ͍ ͱࢥΘΕ͍ͯΔ ؔ਺ܕ

$PQZSJHIU $ HVNJ*OD"MM3JHIUT3FTFSWFE ฒߦॲཧ ࠓ೔ͷ࿩͠ ֶशίετ͕ߴ͍ ͱࢥΘΕ͍ͯΔ ؔ਺ܕ ϚΫϩ

$PQZSJHIU $ HVNJ*OD"MM3JHIUT3FTFSWFE ฒߦॲཧ ࠓ೔ͷ࿩͠ ֶशίετ͕ߴ͍ ͱࢥΘΕ͍ͯΔ ؔ਺ܕ ϚΫϩ &SMBOH

ߨٛϊʔτ ɹฒߦॲཧ ؔ਺ܕ ϚΫϩͱ೉ͦ͠͏ͳ֓೦ΛֶͿඞཁ͕͋Γͦ͏ ͳͱ͜Ζʹ ͳͥʹೋͭ໨ͷݴޠΛֶͿඞཁ·Ͱ͋Δͷ͔ʜ ɹී௨ʹߟ͑ͨΒ ࠾༻Λආ͚·͢ΑͶ

Ͱ͸ ԿΛ఻͑ʹ ͖ͨͷʁ

$PQZSJHIU $ HVNJ*OD"MM3JHIUT3FTFSWFE ࠓ೔ͷ࿩͠ ֶशίετ͕ߴ͍ ࠓ೔࿩͢͜ͱ ͸ߴ͘΋௿͘΋ͳ͍ 8FCγεςϜͷ։ൃͳΒ͹

$PQZSJHIU $ HVNJ*OD"MM3JHIUT3FTFSWFE ࠓ೔ͷ࿩͠ ֶशίετ͕ߴ͍ ࠓ೔࿩͢͜ͱ ͸ߴ͘΋௿͘΋ͳ͍ 8FCγεςϜͷ։ൃͳΒ͹ ྑ͍͜ͱ΋ѱ͍͜ͱ΋࿩͢

$PQZSJHIU $ HVNJ*OD"MM3JHIUT3FTFSWFE ࠓ೔ͷ࿩͠ ֶशίετ͕ߴ͍ ࠓ೔࿩͢͜ͱ ͸ߴ͘΋௿͘΋ͳ͍ 8FCγεςϜͷ։ൃͳΒ͹ ྑ͍͜ͱ΋ѱ͍͜ͱ΋࿩͢ ҆શੑ͕ߴ͘
ੜ࢈ੑ͕ߴ͘ ͦΕҎ֎ͷੑ࣭͸ ΄Ͳྑ͍ Ճ͑ͯʜ

$PQZSJHIU $ HVNJ*OD"MM3JHIUT3FTFSWFE ࠓ೔ͷ࿩͠ ֶशίετ͕ߴ͍ &MJYJS͸ֶशίετͷׂʹ͸ Ըܙ͕େ͖͍ ࣋ͪؼͬͯ΄͍͜͠ͱ ҆શੑ͕ߴ͘ ੜ࢈ੑ͕ߴ͘
ͦΕҎ֎ͷੑ࣭͸ ΄Ͳྑ͍ ࠓ೔࿩͢͜ͱ ͸ߴ͘΋௿͘΋ͳ͍ 8FCγεςϜͷ։ൃͳΒ͹ Ճ͑ͯʜ ྑ͍͜ͱ΋ѱ͍͜ͱ΋࿩͢

$PQZSJHIU $ HVNJ*OD"MM3JHIUT3FTFSWFE ฒߦॲཧ 8"3/*/(

$PQZSJHIU $ HVNJ*OD"MM3JHIUT3FTFSWFE ฒߦॲཧ 8"3/*/( زాͷ࿩͕͠ղΓ೉͍ͧʜͱࢥͬͨΒ

$PQZSJHIU $ HVNJ*OD"MM3JHIUT3FTFSWFE ฒߦॲཧ 8"3/*/( زాͷ࿩͕͠ղΓ೉͍ͧʜͱࢥͬͨΒ ֶͿ͜ͱΛऔࣺબ୒ֶͯ͠शίετΛԼ͛Δ

$PQZSJHIU $ HVNJ*OD"MM3JHIUT3FTFSWFE ฒߦॲཧ 8"3/*/( زాͷ࿩͕͠ղΓ೉͍ͧʜͱࢥͬͨΒ ֶशίετΛׂ͘ Ϧετͷѻ͍ํ ֶͿ͜ͱΛऔࣺબ୒ֶͯ͠शίετΛԼ͛Δ

$PQZSJHIU $ HVNJ*OD"MM3JHIUT3FTFSWFE ฒߦॲཧ 8"3/*/( زాͷ࿩͕͠ղΓ೉͍ͧʜͱࢥͬͨΒ ֶशίετΛׂ͘ Ϧετͷѻ͍ํ ֶͿ͜ͱΛऔࣺબ୒ֶͯ͠शίετΛԼ͛Δ ߨٛϊʔτ
ɹ͸͡Ίʹ Ϧετૢ࡞ͷशಘʹ࣌ؒΛׂ͘ ɹϦετૢ࡞͸ &MJYJSͷجૅͱ͍͏ΑΓ ϓϩάϥϛϯάߦҝશൠ Ͱසग़͢Δύλʔϯ։ൃର৅΍ݴޠʹґଘͤͣ Ԡ༻͕ޮͨ͘Ί &MJYJSΛΩοΧέʹֶͿͱΑ͍

$PQZSJHIU $ HVNJ*OD"MM3JHIUT3FTFSWFE ฒߦॲཧ 8"3/*/( زాͷ࿩͕͠ղΓ೉͍ͧʜͱࢥͬͨΒ ֶशίετΛׂ͘ Ϧετͷѻ͍ํ ͠͹Β͘ ֶशίετΛׂ͔ͳ͍
ฒߦॲཧશൠ ϚΫϩશൠ ϏϔΠϏΞͱϓϩτίϧ ֶͿ͜ͱΛऔࣺબ୒ֶͯ͠शίετΛԼ͛Δ

$PQZSJHIU $ HVNJ*OD"MM3JHIUT3FTFSWFE ฒߦॲཧ 8"3/*/( زాͷ࿩͕͠ղΓ೉͍ͧʜͱࢥͬͨΒ ֶशίετΛׂ͘ Ϧετͷѻ͍ํ ͠͹Β͘ ֶशίετΛׂ͔ͳ͍
ฒߦॲཧશൠ ϚΫϩશൠ ϏϔΠϏΞͱϓϩτίϧ ֶͿ͜ͱΛऔࣺબ୒ֶͯ͠शίετΛԼ͛Δ ߨٛϊʔτ ɹฒߦॲཧ ϚΫϩ ϏϔΠϏΞ ϓϩτίϧ͸ ࠷ޙʹֶͿ ɹԿނ ͠͹Βֶ͘शෆཁ͔͸ ຊࢿྉͷதͰղઆ͢Δ ɹ͜͜Ͱ঺հͨ͠Ҏ֎ͷ߲໨͸ Ϧετૢ࡞ʹशख़͔ͯ͠ΒֶͿ

$PQZSJHIU $ HVNJ*OD"MM3JHIUT3FTFSWFE ·ͱΊ ඵ૝ఆ ໨࣍ &7.ͷ ฒߦॲཧ ʹ͍ͭͯ ෼૝ఆ
&MJYJSͷ ؔ਺ܕ ʹ͍ͭͯ ෼૝ఆ ෼૝ఆ

$PQZSJHIU $ HVNJ*OD"MM3JHIUT3FTFSWFE ฒߦॲཧ

$PQZSJHIU $ HVNJ*OD"MM3JHIUT3FTFSWFE ฒߦॲཧ ᷿Ͱᷚ͞Ε͍ͯΔྑ͍࿩͠

$PQZSJHIU $ HVNJ*OD"MM3JHIUT3FTFSWFE ฒߦॲཧ ᷿Ͱᷚ͞Ε͍ͯΔྑ͍࿩͠ ΞΫλʔϞσϧʂ ϝοηʔδύογϯάʂ ϝϞϦΛڞ༗͠ͳ͍͔Β γϯϓϧ

$PQZSJHIU $ HVNJ*OD"MM3JHIUT3FTFSWFE ฒߦॲཧ ᷿Ͱᷚ͞Ε͍ͯΔྑ͍࿩͠ ΞΫλʔϞσϧʂ ϝοηʔδύογϯάʂ ϝϞϦΛڞ༗͠ͳ͍͔Β γϯϓϧ ᷿Ͱᷚ͞Ε͍ͯΔѱ͍࿩͠

$PQZSJHIU $ HVNJ*OD"MM3JHIUT3FTFSWFE ฒߦॲཧ ᷿Ͱᷚ͞Ε͍ͯΔྑ͍࿩͠ ΞΫλʔϞσϧʂ ϝοηʔδύογϯάʂ ϝϞϦΛڞ༗͠ͳ͍͔Β γϯϓϧ ֓೦ࣗମͷֶशʹ
ίετ͕ඞཁ ϝοηʔδύογϯά Ͱ͢Βਓྨʹ͸ૣ͔ͬͨ ᷿Ͱᷚ͞Ε͍ͯΔѱ͍࿩͠ ڞ༗ϝϞϦ εϨουΑΓָ͚ͩͲ

$PQZSJHIU $ HVNJ*OD"MM3JHIUT3FTFSWFE ฒߦॲཧ ᷿Ͱᷚ͞Ε͍ͯΔྑ͍࿩͠ ΞΫλʔϞσϧʂ ϝοηʔδύογϯάʂ ϝϞϦΛڞ༗͠ͳ͍͔Β γϯϓϧ ֓೦ࣗମͷֶशʹ
ίετ͕ඞཁ ϝοηʔδύογϯά Ͱ͢Βਓྨʹ͸ૣ͔ͬͨ ᷿Ͱᷚ͞Ε͍ͯΔѱ͍࿩͠ ڞ༗ϝϞϦ εϨουΑΓָ͚ͩͲ A લఏ৚݅Λ มߋ ·ͯʂ

$PQZSJHIU $ HVNJ*OD"MM3JHIUT3FTFSWFE ฒߦॲཧ લఏ৚݅Λมߋ 1IPFOJYͰ8FCαʔϏεΛ։ൃ͢ΔͳΒʜ

$PQZSJHIU $ HVNJ*OD"MM3JHIUT3FTFSWFE ฒߦॲཧ 1IPFOJYͰ8FCαʔϏεΛ։ൃ͢ΔͳΒʜ ஞ࣍ॲཧΛ ॻ͚ͩ͘Ͱ ܰྔϓϩηεͷ ԸܙΛ ڗडͰ͖Δ
લఏ৚݅Λมߋ

Αͬͯ ͠͹Β͘ ฒߦॲཧ͸๨ΕͯΑ͍ ֶशίετΛ෷͏ͷ΋ޙճ͠ͰΑ͍ લఏ৚݅Λมߋ

$PQZSJHIU $ HVNJ*OD"MM3JHIUT3FTFSWFE ฒߦॲཧ 3-:

$PQZSJHIU $ HVNJ*OD"MM3JHIUT3FTFSWFE ฒߦॲཧ ฐࣾͰ։ൃதͷιʔείʔυΛݕࡧͯ͠Έ·ͨ͠ XDM FY BHTQBXOcXDM BH5BTLcXDM
BH"HFOUcXDM BH(FO4FSWFScXDM ຊ౰ʹฒߦॲཧΛ๨ΕͯΑ͍ͷ͔ʁ

$PQZSJHIU $ HVNJ*OD"MM3JHIUT3FTFSWFE ฒߦॲཧ % wc -l */**.ex | tail
-1 39053 total % ag spawn | wc -l 0 % ag Task | wc -l 0 % ag ‘ Agent’ | wc -l 0 % ag GenServer | wc -l 0

$PQZSJHIU $ HVNJ*OD"MM3JHIUT3FTFSWFE ฒߦॲཧ 8"3/*/(

$PQZSJHIU $ HVNJ*OD"MM3JHIUT3FTFSWFE ฒߦॲཧ 8"3/*/( ͜Ε͔Β࿩͢ͷ͸ &7.͛͢ʔͱ͍͏࿩͠Ͱ͢

$PQZSJHIU $ HVNJ*OD"MM3JHIUT3FTFSWFE ฒߦॲཧ 8"3/*/( ͜Ε͔Β࿩͢ͷ͸ &7.͛͢ʔͱ͍͏࿩͠Ͱ͢ زాͷ࿩͕͠ղΓ೉͍ͧʜͱࢥͬͨΒ

$PQZSJHIU $ HVNJ*OD"MM3JHIUT3FTFSWFE ฒߦॲཧ 8"3/*/( ͜Ε͔Β࿩͢ͷ͸ &7.͛͢ʔͱ͍͏࿩͠Ͱ͢ &MJYJS 1IPFOJYΛ࢖͏ͱ ҆શୈҰͰ
΄Ͳ΄Ͳʹ஗͘ͳ͍&7.ʹ ศ৐Ͱ͖Δ زాͷ࿩͕͠ղΓ೉͍ͧʜͱࢥͬͨΒ

Αͬͯ ͠͹Β͘ ฒߦॲཧ͸๨ΕͯΑ͍ ֶशίετΛ෷͏ͷ΋ޙճ͠ͰΑ͍ લఏ৚݅Λมߋ

$PQZSJHIU $ HVNJ*OD"MM3JHIUT3FTFSWFE ฒߦॲཧ ஞ࣍ॲཧΛ ॻ͚ͩ͘Ͱ ܰྔϓϩηεͷ ԸܙΛ ڗडͰ͖Δ

$PQZSJHIU $ HVNJ*OD"MM3JHIUT3FTFSWFE ฒߦॲཧ &7. &SMBOH7. 04 FH-JOVY #4%ʜ $PXCPZ8FC4FSWFS
FH/HJOY "QBDIFʜ JFY4IFMM FH'JTI ;TIʜ ஞ࣍ॲཧΛ ॻ͚ͩ͘Ͱ ܰྔϓϩηεͷ ԸܙΛ ڗडͰ͖Δ

$PQZSJHIU $ HVNJ*OD"MM3JHIUT3FTFSWFE ฒߦॲཧ Ͳ͏͍͏͜ͱʁ &7. &SMBOH7. 04 FH-JOVY #4%ʜ
$PXCPZ8FC4FSWFS FH/HJOY "QBDIFʜ JFY4IFMM FH'JTI ;TIʜ

$PQZSJHIU $ HVNJ*OD"MM3JHIUT3FTFSWFE ฒߦॲཧ Ͳ͏͍͏͜ͱʁ An erlang web server will
spawn a single process per connection - each process is in itself a complete little web server - if you are running mochiweb with 100K chat sessions you really have 100K web servers on your machine - not one. If one of these web servers crashes who cares. +PF"SNTUSPOH (http://j.mp/mfpkYo)

$PQZSJHIU $ HVNJ*OD"MM3JHIUT3FTFSWFE ฒߦॲཧ Ͳ͏͍͏͜ͱʁ An erlang web server will
spawn a single process per connection - each process is in itself a complete little web server - if you are running mochiweb with 100K chat sessions you really have 100K web servers on your machine - not one. If one of these web servers crashes who cares. +PF"SNTUSPOH (http://j.mp/mfpkYo) ߨٛϊʔτ ɹ+PF"SNTUSPOH&SMBOH։ൃऀͷҰਓ ɹϝʔϦϯάϦετͷલޙͷจ຺͕໘ന͍ͨΊ ͥͻ ݪจΛࢀর͠ ͯ΄͍͠೔ຊޠͰ͋Ε͹LVFOJTIJ͞Μͷهࣄ͕ৄ͍͠

$PQZSJHIU $ HVNJ*OD"MM3JHIUT3FTFSWFE ฒߦॲཧ Ͳ͏͍͏͜ͱʁ +PF"SNTUSPOH (http://j.mp/mfpkYo) Erlang Ͱ࡞ΒΕͨ Web
αʔό͸, Ұͭͷ઀ଓ͝ͱʹ, Ұͭͷ ϓϩηεΛੜ੒͢Δ. 10ສݸͷνϟοτͷηογϣϯ͕ඞཁ ͳΒ, 10ສݸͷ Web αʔό͕ىಈ͢Δ. Ծʹ, ͦͷதͷҰͭ ͕མͪͨͱͯ͠΋, ୭΋ؾʹ͠ͳ͍.

$PQZSJHIU $ HVNJ*OD"MM3JHIUT3FTFSWFE ฒߦॲཧ Ͳ͏͍͏͜ͱʁ &7. $PXCPZϓϩηε

$PQZSJHIU $ HVNJ*OD"MM3JHIUT3FTFSWFE ฒߦॲཧ Ͳ͏͍͏͜ͱʁ &7. $PXCPZϓϩηε ߨٛϊʔτ ɹ&MJYJS 1IPFOJYͰ8FCαʔϏεΛ࡞Δͱ
͜ͷΑ͏ͳߏ੒ʹ ͳΔ ɹ$PXCPZ͸ 1IPFOJY͕ґଘ͍ͯ͠Δ8FCαʔόϥΠϒϥϦ

$PQZSJHIU $ HVNJ*OD"MM3JHIUT3FTFSWFE ฒߦॲཧ Ͳ͏͍͏͜ͱʁ &7. $PXCPZϓϩηε )551ϦΫΤετ

$PQZSJHIU $ HVNJ*OD"MM3JHIUT3FTFSWFE ฒߦॲཧ Ͳ͏͍͏͜ͱʁ &7. $PXCPZϓϩηε )551ϦΫΤετ ࢲͨͪͷ ஞ࣍ॲཧϓϩηε
ϓϩηεىಈ

)551ηογϣϯ ϓϩηεىಈ

)551ηογϣϯ ϓϩηεىಈ ߨٛϊʔτ ɹ࣮ࡍ͸ ޮ཰ԽͷͨΊʹىಈࡁΈͷϓϩηεΛׂΓ౰͍ͯͯΔ͕ આ໌؆ུԽͷͨΊ ϓϩηεىಈͱ͍͏දݱʹ͍ͯ͠Δ

$PQZSJHIU $ HVNJ*OD"MM3JHIUT3FTFSWFE ฒߦॲཧ Ͳ͏͍͏͜ͱʁ &7. $PXCPZϓϩηε ࢲͨͪͷ ஞ࣍ॲཧϓϩηε )551ϦΫΤετ
ϓϩηεىಈ )551ηογϣϯ 04ͬΆ͍ 8FC4FSWFSͩ $(*ͬΆ͍

$PQZSJHIU $ HVNJ*OD"MM3JHIUT3FTFSWFE ฒߦॲཧ Ͳ͏͍͏͜ͱʁ &7. $PXCPZϓϩηε ࢲͨͪͷ ஞ࣍ॲཧϓϩηε )551ϦΫΤετ
ϓϩηεىಈ )551ηογϣϯ 04ͬΆ͍ 8FC4FSWFSͩ $(*ͬΆ͍ ߨٛϊʔτ ɹ&7.ͱ$PXCPZ͕ฒߦॲཧΛ༻͍ͯ ॲཧޮ཰Λ্͍͛ͯΔ ɹ8FCαʔϏε։ൃऀ͸ ஞ࣍ॲཧΛهड़͢Δ͚ͩͰΑ͍

$PXCPZ8FC4FSWFS FH/HJOY "QBDIFʜ JFY4IFMM FH'JTI ;TIʜ

$PXCPZ8FC4FSWFS FH/HJOY "QBDIFʜ JFY4IFMM FH'JTI ;TIʜ &7. 04

$PQZSJHIU $ HVNJ*OD"MM3JHIUT3FTFSWFE ฒߦॲཧ &7.ʹ04ͱࣅͨϓϩηεͷ࢓૊ΈΛ࣋ͭ &7. 04

$PQZSJHIU $ HVNJ*OD"MM3JHIUT3FTFSWFE ฒߦॲཧ ϓϩηεͱ͸ &7.ʹ04ͱࣅͨϓϩηεͷ࢓૊ΈΛ࣋ͭ

$PQZSJHIU $ HVNJ*OD"MM3JHIUT3FTFSWFE ಠཱͨ͠$16Λ࣋ͭ ಠཱͨ͠ϝϞϦΛ࣋ͭ ωοτϫʔΫ্ͷҰҙͳॅॴΛ࣋ͭ ฒߦॲཧ ϓϩηεͱ͸ &7.ʹ04ͱࣅͨϓϩηεͷ࢓૊ΈΛ࣋ͭ

$PQZSJHIU $ HVNJ*OD"MM3JHIUT3FTFSWFE ಠཱͨ͠$16Λ࣋ͭ ฒߦॲཧ Ͳ͏͍͏͜ͱ͔

$PQZSJHIU $ HVNJ*OD"MM3JHIUT3FTFSWFE ಠཱͨ͠$16Λ࣋ͭ ฒߦॲཧ &7.͸֤ܰྔϓϩηεʹ $16Λ࢖͏ݖݶΛ༩͑Δ ܰྔϓϩηε͕ҰఆྔॲཧΛ͢Δͱ ผͷܰྔϓϩηεʹݖݶ͕ҠΔ Ͳ͏͍͏͜ͱ͔

$PQZSJHIU $ HVNJ*OD"MM3JHIUT3FTFSWFE ಠཱͨ͠$16Λ࣋ͭ ฒߦॲཧ Կ͕ྑ͍ͷ͔

$PQZSJHIU $ HVNJ*OD"MM3JHIUT3FTFSWFE ಠཱͨ͠$16Λ࣋ͭ ฒߦॲཧ Ұͭͷܰྔϓϩηε͕$16Λઐ༗͠೉͍ ۃ࿦ ܰྔϓϩηε಺Ͱແݶϧʔϓͯ͠΋ γεςϜશମʹӨڹ͕ग़ʹ͍͘ Կ͕ྑ͍ͷ͔
ܰྔϓϩηε಺͸ γϯϓϧͳஞ࣍ॲཧͱͳΔ

$PQZSJHIU $ HVNJ*OD"MM3JHIUT3FTFSWFE ฒߦॲཧ async function do_process(orders) { const promises
= _.map(orders, async (order) => { const result = await do_something1(order); return await do_something2(result); }); return await Promise.all(promises); }

= _.map(orders, async (order) => { const result = await do_something1(order); return await do_something2(result); }); return await Promise.all(promises); } ߨٛϊʔτ ɹͨͱ͑͹ ͜ͷΑ͏ͳ+BWB4DSJQUͷίʔυ͕͋ͬͨͱ͢Δ

= _.map(orders, async (order) => { const result = await do_something1(order); return await do_something2(result); }); return await Promise.all(promises); }

= _.map(orders, async (order) => { const result = await do_something1(order); return await do_something2(result); }); return await Promise.all(promises); } ߨٛϊʔτ ɹ͜ͷίʔυΛهड़͢Δࡍ ։ൃऀ͸ ࣍ͷΑ͏ͳ͜ͱΛߟ͍͑ͯΔ

$PQZSJHIU $ HVNJ*OD"MM3JHIUT3FTFSWFE ฒߦॲཧ function do_process(orders) { _.each(orders, (order) =>
{ const result = do_something1(order); return do_something2(result); }); } ΉΉʜEP@TPNFUIJOH ͸BTZOD͔ʜ BXBJUͰݺͿ͔ʜ

$PQZSJHIU $ HVNJ*OD"MM3JHIUT3FTFSWFE ฒߦॲཧ ΉΉʜEP@TPNFUIJOH ͸BTZOD͔ʜ BXBJUͰݺͿ͔ʜ function do_process(orders) {
_.each(orders, (order) => { const result = await do_something1(order); return await do_something2(result); }); }

$PQZSJHIU $ HVNJ*OD"MM3JHIUT3FTFSWFE ฒߦॲཧ ΉΉʜEP@TPNFUIJOH ͸BTZOD͔ʜ BXBJUͰݺͿ͔ʜ  BXBJUͰݺͿ͔ΒFBDIʹ౉͢ແ໊ؔ਺͸BTZODʹ͢Δ͔ʜ function do_process(orders)
{ _.each(orders, (order) => { const result = await do_something1(order); return await do_something2(result); }); }

$PQZSJHIU $ HVNJ*OD"MM3JHIUT3FTFSWFE ฒߦॲཧ ΉΉʜEP@TPNFUIJOH ͸BTZOD͔ʜ BXBJUͰݺͿ͔ΒFBDIʹ౉͢ແ໊ؔ਺͸BTZODʹ͢Δ͔ʜ async function do_process(orders)
{ _.each(orders, async (order) => { const result = await do_something1(order); return await do_something2(result); }); }

$PQZSJHIU $ HVNJ*OD"MM3JHIUT3FTFSWFE ฒߦॲཧ ΉΉʜEP@TPNFUIJOH ͸BTZOD͔ʜ BXBJUͰݺͿ͔ΒFBDIʹ౉͢ແ໊ؔ਺͸BTZODʹ͢Δ͔ʜ ;ʔΉʜϧʔϓͷ౓ʹೋճίϯςΩετ͕੾ΓସΔͷ͔ʜ async function
do_process(orders) { _.each(orders, async (order) => { const result = await do_something1(order); return await do_something2(result); }); }

$PQZSJHIU $ HVNJ*OD"MM3JHIUT3FTFSWFE ฒߦॲཧ ΉΉʜEP@TPNFUIJOH ͸BTZOD͔ʜ BXBJUͰݺͿ͔ΒFBDIʹ౉͢ແ໊ؔ਺͸BTZODʹ͢Δ͔ʜ ;ʔΉʜϧʔϓͷ౓ʹೋճίϯςΩετ͕੾ΓସΔͷ͔ʜ ͋ ଴ͪ߹Θͤ͠ͳ͍ͱʜFBDIΛNBQʹͯʜ
SZ async function do_process(orders) { _.each(orders, async (order) => { const result = await do_something1(order); return await do_something2(result); }); }

SZ async function do_process(orders) { const promises = _.map(orders, async (order) => { const result = await do_something1(order); return await do_something2(result); }); return await Promise.all(promises); }

SZ ͋͹͹PSEFSTͷॲཧॱ൪͸อূ͞Εͳ͍͔΋ʜ async function do_process(orders) { const promises = _.map(orders, async (order) => { const result = await do_something1(order); return await do_something2(result); }); return await Promise.all(promises); }

SZ ͋͹͹PSEFSTͷॲཧॱ൪͸อূ͞Εͳ͍͔΋ʜ async function do_process(orders) { const promises = _.map(orders, async (order) => { const result = await do_something1(order); return await do_something2(result); }); return await Promise.all(promises); } ΠϕϯτυϦϒϯ ܧଓ͸ ίϯςΩετεΠονͷ ੾Γସ͕͑ ্Ґ૚ʹ࿙Εग़͍ͯ͠Δ

SZ ͋͹͹PSEFSTͷॲཧॱ൪͸อূ͞Εͳ͍͔΋ʜ async function do_process(orders) { const promises = _.map(orders, async (order) => { const result = await do_something1(order); return await do_something2(result); }); return await Promise.all(promises); } ΠϕϯτυϦϒϯ ܧଓ͸ ίϯςΩετεΠονͷ ੾Γସ͕͑ ্Ґ૚ʹ࿙Εग़͍ͯ͠Δ ߨٛϊʔτ ɹܧଓ͸ ΠϕϯτɾυϦϒϯͷՄಡੑΛ্͛Δख๏ͱͯ͠༻͍Δ͜ ͱ΋Ͱ͖Δ͜ͷख๏͸ +BWB4DSJQU͚ͩͰ͸ͳ͘ 1FSM΍ 4DBMBͰ΋༻͍ΒΕ͍ͯΔ1FSM$PSP "OZ&WFOU΍"LLB 4DBMB$14ͳͲ

SZ ͋͹͹PSEFSTͷॲཧॱ൪͸อূ͞Εͳ͍͔΋ʜ async function do_process(orders) { const promises = _.map(orders, async (order) => { const result = await do_something1(order); return await do_something2(result); }); return await Promise.all(promises); } ΠϕϯτυϦϒϯ ܧଓ͸ ίϯςΩετεΠονͷ ੾Γସ͕͑ ্Ґ૚ʹ࿙Εग़͍ͯ͠Δ ߨٛϊʔτ ɹܧଓ ΠϕϯτɾυϦϒϯΛ։ൃऀʹهड़͍ͤͯ͞Δ࣌఺Ͱ Լ Ґͷ֓೦্͕Ґʹ࿙Εग़͍ͯ͠Δ ɹࣅͨྫΛڍ͛ΔͳΒ ($ͰϝϞϦΛ։์͢ΔͨΊ ࣗྗͰࢀরΧ ΢ϯτΛૢ࡞͢ΔͳͲʜ

SZ ͋͹͹PSEFSTͷॲཧॱ൪͸อূ͞Εͳ͍͔΋ʜ async function do_process(orders) { const promises = _.map(orders, async (order) => { const result = await do_something1(order); return await do_something2(result); }); return await Promise.all(promises); }

= _.map(orders, async (order) => { const result = await do_something1(order); return await do_something2(result); }); return await Promise.all(promises); } def do_process(orders) do orders |> Enum.map(fn (order) -> order |> do_something1 |> do_something2 end) end

= _.map(orders, async (order) => { const result = await do_something1(order); return await do_something2(result); }); return await Promise.all(promises); } def do_process(orders) do orders |> Enum.map(fn (order) -> order |> do_something1 |> do_something2 end) end ߨٛϊʔτ ɹ&MJYJSͰ͋Ε͹ ಉ͡ॲཧΛ ؆୯ͳஞ࣍ॲཧͱͯ͠هड़Ͱ͖Δ ʮͲ͜ͰίϯςΩετ͕੾ΓସΘΔʯͷ͔ߟྀ͕ෆཁ

= _.map(orders, async (order) => { const result = await do_something1(order); return await do_something2(result); }); return await Promise.all(promises); } def do_process(orders) do orders |> Enum.map(fn (order) -> order |> do_something1 |> do_something2 end) end

$PQZSJHIU $ HVNJ*OD"MM3JHIUT3FTFSWFE ฒߦॲཧ def do_process(orders) do orders |> Enum.map(fn
(order) -> order |> do_something1 |> do_something2 end) end def do_process(orders) do orders |> Enum.map(&do_something1/1) |> Enum.map(&do_something2/1) end ߨٛϊʔτ ɹॲཧॱ͕มΘͬͯΑ͍ͳΒ ͜ͷΑ͏ʹ΋هड़Ͱ͖Δ

$PQZSJHIU $ HVNJ*OD"MM3JHIUT3FTFSWFE ಠཱͨ͠$16Λ࣋ͭ ฒߦॲཧ Ұͭͷܰྔϓϩηε͕$16Λઐ༗͠೉͍ ۃ࿦ ܰྔϓϩηε಺Ͱແݶϧʔϓͯ͠΋ γεςϜશମʹӨڹ͕ग़ʹ͍͘ Կ͕ྑ͍ͷ͔
ܰྔϓϩηε಺͸ γϯϓϧͳஞ࣍ॲཧͱͳΔ

$PQZSJHIU $ HVNJ*OD"MM3JHIUT3FTFSWFE ಠཱͨ͠$16Λ࣋ͭ ฒߦॲཧ Ͳ͏࣮ݱ͍ͯ͠Δͷ͔

$PQZSJHIU $ HVNJ*OD"MM3JHIUT3FTFSWFE ಠཱͨ͠$16Λ࣋ͭ ฒߦॲཧ Ͳ͏࣮ݱ͍ͯ͠Δͷ͔ ܰྔϓϩηε$16  /.

$PQZSJHIU $ HVNJ*OD"MM3JHIUT3FTFSWFE ಠཱͨ͠$16Λ࣋ͭ ฒߦॲཧ Ͳ͏࣮ݱ͍ͯ͠Δͷ͔ ܰྔ ϓϩηε ܰྔ ϓϩηε
ܰྔ ϓϩηε ܰྔ ϓϩηε ʜ $16 ʜ ܰྔ ϓϩηε 04 $16 $16 &7. ܰྔϓϩηε$16  /.

ܰྔ ϓϩηε ܰྔ ϓϩηε ʜ $16 ʜ εϨου εέδϡʔϥʔ ʜ ʜ ܰྔ ϓϩηε 04 $16 $16 εϨου εέδϡʔϥʔ εϨου εέδϡʔϥʔ εϨου εέδϡʔϥʔ ܰྔϓϩηε$16  /.

ܰྔ ϓϩηε ܰྔ ϓϩηε ʜ $16 ʜ εϨου εέδϡʔϥʔ ʜ ʜ ܰྔ ϓϩηε 04 $16 $16 εϨου εέδϡʔϥʔ εϨου εέδϡʔϥʔ εϨου εέδϡʔϥʔ ܰྔϓϩηε$16  /. ߨٛϊʔτ ɹ&7.͕࣋ͭεέδϡʔϥʔ͸ 04εϨουͱҰରҰ ɹৄࡉ͸ল͕͘ εέδϡʔϥʔຖʹλεΫͷΩϡʔΛ࣋ͪ ࣗ෼ͷ Ωϡʔ͕ۭʹͳΔͱ ଞॴͷΩϡʔ͔ΒλεΫΛୣ͏ ɹৄࡉ͸ UIF#&".#PPL IUUQTKNQ)0&D/ ࢀর

$PQZSJHIU $ HVNJ*OD"MM3JHIUT3FTFSWFE ಠཱͨ͠$16Λ࣋ͭ ฒߦॲཧ ͱ͸͍͑

$PQZSJHIU $ HVNJ*OD"MM3JHIUT3FTFSWFE ฒߦॲཧ ͓લͦΕ 04 Ͱ΋ ಉ͡ࣄݴ͑Μͷʁ αόϯφ

$PQZSJHIU $ HVNJ*OD"MM3JHIUT3FTFSWFE ಠཱͨ͠$16Λ࣋ͭ ฒߦॲཧ Ұൠతͳ04্Ͱ$16࢖͍੾Δ ϓϩηε͕ଘࡏ͢Δ͜ͱΛ૝૾ͯ͠΄͍͠ ࢖͑Δ$16ͷ਺ͳͲ ༷ʑͳ৚݅ʹΑΔ͕
ো֐ʹൃల͢Δࣄ͕ଟ͘ ආ͚Δඞཁ͕͋Δ ͱ͸͍͑

$PQZSJHIU $ HVNJ*OD"MM3JHIUT3FTFSWFE ಠཱͨ͠ϝϞϦΛ࣋ͭ ฒߦॲཧ Ͳ͏͍͏͜ͱ͔

$PQZSJHIU $ HVNJ*OD"MM3JHIUT3FTFSWFE ಠཱͨ͠ϝϞϦΛ࣋ͭ ฒߦॲཧ &7.͸֤ܰྔϓϩηε͝ͱʹ ϝϞϦΛ֬อͯ͠༩͑Δ ώʔϓ ελοΫ ϝʔϧϘοΫε
ϓϩηε੍ޚϒϩοΫͷ࢛छྨ Ͳ͏͍͏͜ͱ͔

$PQZSJHIU $ HVNJ*OD"MM3JHIUT3FTFSWFE ಠཱͨ͠ϝϞϦΛ࣋ͭ ฒߦॲཧ Կ͕ྑ͍ͷ͔

$PQZSJHIU $ HVNJ*OD"MM3JHIUT3FTFSWFE ಠཱͨ͠ϝϞϦΛ࣋ͭ ฒߦॲཧ ϓϩηε͝ͱʹ($͕Մೳ ($தʹίϯςΩετΛ੾Γସ͑Մೳ ݁Ռ ($ͰγεςϜશମ͕ఀࢭ͠ͳ͍ Կ͕ྑ͍ͷ͔
ϓϩηεΛऴྃ͢ΔͱϝϞϦΛղ์Ͱ͖Δ γεςϜશମͰϝϞϦϦʔΫ͠೉͍

$PQZSJHIU $ HVNJ*OD"MM3JHIUT3FTFSWFE ಠཱͨ͠ϝϞϦΛ࣋ͭ ฒߦॲཧ ͱ͸͍͑

$PQZSJHIU $ HVNJ*OD"MM3JHIUT3FTFSWFE ಠཱͨ͠ϝϞϦΛ࣋ͭ ฒߦॲཧ ͱ͸͍͑ Ұൠతͳ04্ͰϝϞϦΛେྔʹ͔ͭ͏ ϓϩηε͕ଘࡏ͢Δ͜ͱΛ૝૾ͯ͠΄͍͠ ࢖͑ΔϝϞϦͷ૯ྔͳͲ ༷ʑͳ৚݅ʹΑΔ͕
ো֐ʹൃల͢Δࣄ͕ଟ͘ ආ͚Δඞཁ͕͋Δ

$PQZSJHIU $ HVNJ*OD"MM3JHIUT3FTFSWFE ωοτϫʔΫ্ͷҰҙͳॅॴΛ࣋ͭ ฒߦॲཧ Ͳ͏͍͏͜ͱ͔

$PQZSJHIU $ HVNJ*OD"MM3JHIUT3FTFSWFE ωοτϫʔΫ্ͷҰҙͳॅॴΛ࣋ͭ ฒߦॲཧ &7.͸֤ܰྔϓϩηεʹ ҰҙͳΞυϨεΛׂΓ౰ͯΔ 1*%͸ ෳ਺ͷ&7.Ͱߏ੒͞Εͨ Ϋϥελ্ͰҰҙ
Ͳ͏͍͏͜ͱ͔

$PQZSJHIU $ HVNJ*OD"MM3JHIUT3FTFSWFE ωοτϫʔΫ্ͷҰҙͳॅॴΛ࣋ͭ ฒߦॲཧ Կ͕ྑ͍ͷ͔

$PQZSJHIU $ HVNJ*OD"MM3JHIUT3FTFSWFE ωοτϫʔΫ্ͷҰҙͳॅॴΛ࣋ͭ ฒߦॲཧ ܰྔϓϩηεಉ͕࢜ϝοηʔδΛૹड৴͠ ڞ༗ϝϞϦΛ࢖Θͣʹ࿈ಈͰ͖Δ ܰྔϓϩηεಉ͕࢜γάφϧΛૹड৴͠ ؂ࢹ΍؅ཧ ࠶ىಈͳͲ
͕Ͱ͖Δ Կ͕ྑ͍ͷ͔

$PQZSJHIU $ HVNJ*OD"MM3JHIUT3FTFSWFE ωοτϫʔΫ্ͷҰҙͳॅॴΛ࣋ͭ ฒߦॲཧ Կ͕ྑ͍ͷ͔ &7. ܰྔϓϩηε

$PQZSJHIU $ HVNJ*OD"MM3JHIUT3FTFSWFE ωοτϫʔΫ্ͷҰҙͳॅॴΛ࣋ͭ ฒߦॲཧ Կ͕ྑ͍ͷ͔ &7. ܰྔϓϩηε ܰྔϓϩηε ϦϯΫ

$PQZSJHIU $ HVNJ*OD"MM3JHIUT3FTFSWFE ωοτϫʔΫ্ͷҰҙͳॅॴΛ࣋ͭ ฒߦॲཧ Կ͕ྑ͍ͷ͔ &7. ܰྔϓϩηε ϦϯΫ ऴྃγάφϧ

$PQZSJHIU $ HVNJ*OD"MM3JHIUT3FTFSWFE ωοτϫʔΫ্ͷҰҙͳॅॴΛ࣋ͭ ฒߦॲཧ Կ͕ྑ͍ͷ͔ &7.

$PQZSJHIU $ HVNJ*OD"MM3JHIUT3FTFSWFE ωοτϫʔΫ্ͷҰҙͳॅॴΛ࣋ͭ ฒߦॲཧ Կ͕ྑ͍ͷ͔ &7. ܰྔϓϩηε USBQ@FYJUUSVF

USBQ@FYJUUSVF

$PQZSJHIU $ HVNJ*OD"MM3JHIUT3FTFSWFE ωοτϫʔΫ্ͷҰҙͳॅॴΛ࣋ͭ ฒߦॲཧ Կ͕ྑ͍ͷ͔ &7. ܰྔϓϩηε ܰྔϓϩηε ܰྔϓϩηε
ϦϯΫ ϦϯΫ USBQ@FYJUUSVF

ϦϯΫ USBQ@FYJUUSVF ऴྃγάφϧ

USBQ@FYJUUSVF

$PQZSJHIU $ HVNJ*OD"MM3JHIUT3FTFSWFE ωοτϫʔΫ্ͷҰҙͳॅॴΛ࣋ͭ ฒߦॲཧ Կ͕ྑ͍ͷ͔ &7. ܰྔϓϩηε ϦϯΫ USBQ@FYJUUSVF
ऴྃϝοηʔδ

$PQZSJHIU $ HVNJ*OD"MM3JHIUT3FTFSWFE ωοτϫʔΫ্ͷҰҙͳॅॴΛ࣋ͭ ฒߦॲཧ Կ͕ྑ͍ͷ͔ &7. ܰྔϓϩηε USBQ@FYJUUSVF ࠶ىಈॲཧ

USBQ@FYJUUSVF ࠶ىಈॲཧ

$PQZSJHIU $ HVNJ*OD"MM3JHIUT3FTFSWFE ωοτϫʔΫ্ͷҰҙͳॅॴΛ࣋ͭ ฒߦॲཧ Կ͕ྑ͍ͷ͔ &7. ܰྔϓϩηε ܰྔϓϩηε ܰྔϓϩηε
ϦϯΫ ϦϯΫ USBQ@FYJUUSVF ࠶ىಈॲཧ

$PQZSJHIU $ HVNJ*OD"MM3JHIUT3FTFSWFE ωοτϫʔΫ্ͷҰҙͳॅॴΛ࣋ͭ ฒߦॲཧ ͱ͸͍͑ʁ

$PQZSJHIU $ HVNJ*OD"MM3JHIUT3FTFSWFE ωοτϫʔΫ্ͷҰҙͳॅॴΛ࣋ͭ ฒߦॲཧ ͱ͸͍͑ʁ Ұൠతͳ04্Ͱߴີ౓ʹ௨৴͠߹͏ϓϩηεͰ ߏ੒͞ΕͨγεςϜ͕͋Δͱ૝૾ͯ͠΄͍͠ ઃܭํ๏ͳͲͷ༷ʑͳ৚݅ʹΑΔ͕ ෳࡶͰӡ༻͕େมʹͳΔࣄ͕ଟ͘
ආ͚Δඞཁ͕͋Δ

$PQZSJHIU $ HVNJ*OD"MM3JHIUT3FTFSWFE ωοτϫʔΫ্ͷҰҙͳॅॴΛ࣋ͭ ฒߦॲཧ ͱ͸͍͑ʁ Ұൠతͳ04্Ͱߴස౓ʹ࠶ىಈ͢Δ ϓϩηε͕͋Δͱ૝૾ͯ͠΄͍͠ ϓϩηεىಈෛՙͳͲʹΑΓ ো֐ʹൃల͢Δࣄ͕ଟ͘
ආ͚Δඞཁ͕͋Δ

ආ͚Δඞཁ͕͋Δ ߨٛϊʔτ ɹߴස౓ʹ࠶ىಈ͢Δͱ$16ෛՙ্͕͕Δ ɹ&DUP͕ґଘ͍ͯ͠Δ%#$POOFDUJPO΍ 3FEJTΫϥΠΞϯτ 3FEJY͸ αʔόͱίωΫγϣϯ͕੾Εͯ΋ ϓϩηεΛΫϥογϡ ͤͣ ϓϩηεΛ࢖͍ճ͢Α͏ʹͳ͍ͬͯΔ

ආ͚Δඞཁ͕͋Δ ߨٛϊʔτ ɹ઀ଓঢ়ଶ͸ ਖ਼ৗܥͷʮঢ়ଶʯͱͯ͠؅ཧ͢ΔͱΑ͍ ɹͨͩ͠ ϓϩηεΛ࢖͍ճ͢ͱ ϓϩηεఀࢭʹΑΔϝϞϦղ์͕ ߦΘΕͳ͍ͨΊ ϝϞϦϦʔΫ͠ͳ͍Α͏ؾΛ഑Δඞཁ͕͋Δ

$PQZSJHIU $ HVNJ*OD"MM3JHIUT3FTFSWFE ฒߦॲཧ ϓϩηεͷҰཡදࣔ JFYͰϩάΠϯͯ͠TIFMM@EFGBVMUJ ϓϩηεͷ৘ใදࣔ TIFMM@EFGBVMUJʹϓϩηε൪߸Λ౉͢ %&.0 &7.ʹ04ͱࣅͨϓϩηεͷ࢓૊ΈΛ࣋ͭ

$PQZSJHIU $ HVNJ*OD"MM3JHIUT3FTFSWFE ฒߦॲཧ &7.ʹ04ͱࣅͨϓϩηεͷ࢓૊ΈΛ࣋ͭ ݁Ռͱͯ͠ʜ

$PQZSJHIU $ HVNJ*OD"MM3JHIUT3FTFSWFE ҆શୈҰ ฒߦॲཧ &7.ʹ04ͱࣅͨϓϩηεͷ࢓૊ΈΛ࣋ͭ ݁Ռͱͯ͠ʜ ܰྔϓϩηε͸଱ো֐ੑͷ޲্ ͢ΔͨΊͷ࢓૊Έ

$PQZSJHIU $ HVNJ*OD"MM3JHIUT3FTFSWFE ҆શୈҰ ฒߦॲཧ &7.ʹ04ͱࣅͨϓϩηεͷ࢓૊ΈΛ࣋ͭ ݁Ռͱͯ͠ʜ ܰྔϓϩηε͸଱ো֐ੑͷ޲্ ͢ΔͨΊͷ࢓૊Έ ߨٛϊʔτ
ɹ೥ &7.Λ஌ͬͯײಈͨ͠ ɹϓϩηε͸ ҆શੑΛ୲อ͢Δ࢓૊Έͩͬͨͷ͔ʂʁͱᡰʹམͪ ͨࢲ͸ ଎౓΍ޮ཰Խ͚ͩΛ௥͍ٻΊ͍ͯͨͨΊ িܸΛड͚ͨ ɹ4-"͸ҏୡͰ͸ͳ͍

$PQZSJHIU $ HVNJ*OD"MM3JHIUT3FTFSWFE ҆શୈҰ ฒߦॲཧ &7.ʹ04ͱࣅͨϓϩηεͷ࢓૊ΈΛ࣋ͭ ݁Ռͱͯ͠ʜ ܰྔϓϩηε͸଱ো֐ੑͷ޲্ ͢ΔͨΊͷ࢓૊Έ ଎͞
͸͓·͚

$PQZSJHIU $ HVNJ*OD"MM3JHIUT3FTFSWFE ฒߦॲཧ &7.ʹ04ͱࣅͨϓϩηεͷ࢓૊ΈΛ࣋ͭ ଎͞ 04ͱࣅͨ͜ͱΛ͍ͯ͠Δͷʹ଎͍Θ͚͕ͳ͍

$PQZSJHIU $ HVNJ*OD"MM3JHIUT3FTFSWFE ฒߦॲཧ &7.ʹ04ͱࣅͨϓϩηεͷ࢓૊ΈΛ࣋ͭ ଎͞ 04ͱࣅͨ͜ͱΛ͍ͯ͠Δͷʹ଎͍Θ͚͕ͳ͍ ߨٛϊʔτ ɹ଎͕͞࠷ॏཁͳཁ݅ʹରԠ͢ΔͳΒ ةݥͳ௿ϨΠϠͰରԠ͢Δ
ɹ҆શͳ؀ڥΛ࡞Δͱ଎͞͸٘ਜ਼ʹͳΔ ɹ͔͠͠ ࡶʹίʔυΛهड़ͯ͠΋ෳ਺ͷ$16Λ্ख͘࢖ͬͯ͘ ΕΔͷ͸ ͋Γ͕͍ͨ

$PQZSJHIU $ HVNJ*OD"MM3JHIUT3FTFSWFE $ +BWB /PEFKTΑΓ஗͍ ฒߦॲཧ &7.ʹ04ͱࣅͨϓϩηεͷ࢓૊ΈΛ࣋ͭ ଎͞ IUUQTKNQ$"R",D
1ZUIPO 3VCZ 1)1ΑΓ଎͍ ७ਮͳҰϓϩηεʹΑΔܭࢉ͸ʜ 04ͱࣅͨ͜ͱΛ͍ͯ͠Δͷʹ଎͍Θ͚͕ͳ͍

$PQZSJHIU $ HVNJ*OD"MM3JHIUT3FTFSWFE $ +BWB /PEFKTΑΓ஗͍ ฒߦॲཧ &7.ʹ04ͱࣅͨϓϩηεͷ࢓૊ΈΛ࣋ͭ ଎͞ IUUQTKNQ$"R",D
1ZUIPO 3VCZ 1)1ΑΓ଎͍ 04ͱࣅͨ͜ͱΛ͍ͯ͠Δͷʹ଎͍Θ͚͕ͳ͍ ߨٛϊʔτ ɹωλ ɹ/PEFKT͸ ଞͷಈతݴޠͱൺֱ͢Δͱ ѹ౗తʹ଎͍ ɹ͜Ε͸ ΠϕϯτɾυϦϒϯ͔ͩΒͱ͍͏ཧ༝Ͱ͸ͳ͍ ɹ7͕ؤு͍ͬͯΔ $IBDLSB$PSFͷ͜ͱ͸ෆษڧͰ஌Βͳ͍ ७ਮͳҰϓϩηεʹΑΔܭࢉ͸ʜ

$PQZSJHIU $ HVNJ*OD"MM3JHIUT3FTFSWFE ฒߦॲཧ &7.ʹ04ͱࣅͨϓϩηεͷ࢓૊ΈΛ࣋ͭ ݁Ռͱͯ͠ʜ

$PQZSJHIU $ HVNJ*OD"MM3JHIUT3FTFSWFE ฒߦॲཧͷֶशίετෆཁͰ ΄Ͳ΄Ͳʹ஗͘ͳ͍ ͱͯ΋ָͰ҆શͳݴޠ&MJYJS ฒߦॲཧ &7.ʹ04ͱࣅͨϓϩηεͷ࢓૊ΈΛ࣋ͭ ݁Ռͱͯ͠ʜ

$PQZSJHIU $ HVNJ*OD"MM3JHIUT3FTFSWFE ฒߦॲཧͷֶशίετෆཁͰ ΄Ͳ΄Ͳʹ஗͘ͳ͍ ͱͯ΋ָͰ҆શͳݴޠ&MJYJS ฒߦॲཧ &7.ʹ04ͱࣅͨϓϩηεͷ࢓૊ΈΛ࣋ͭ ݁Ռͱͯ͠ʜ ߨٛϊʔτ
ɹฐࣾͷ&SMBOHͰهड़͞ΕͨαʔϏε͸ ࢲͷෆಙͷக͢ͱ͜Ζ Ͱ Ξϯνύλʔϯ΍ෆਖ਼ͳΞϓϩʔνͰृ͘ଠ͕ͬͨ ͦΕͰ΋ 4-"ͷه࿥Λߋ৽த

$PQZSJHIU $ HVNJ*OD"MM3JHIUT3FTFSWFE ؔ਺ܕ

$PQZSJHIU $ HVNJ*OD"MM3JHIUT3FTFSWFE ؔ਺ܕ ᷿Ͱᷚ͞Ε͍ͯΔྑ͍࿩͠

$PQZSJHIU $ HVNJ*OD"MM3JHIUT3FTFSWFE ؔ਺ܕ ᷿Ͱᷚ͞Ε͍ͯΔྑ͍࿩͠ ෭࡞༻͕͘͢ͳ͍ʂ σʔλॲཧʹूதʂ HPUP͸ॲཧϑϩʔͷ໎ࢠ 00͸ঢ়ଶͷ໎ࢠ

$PQZSJHIU $ HVNJ*OD"MM3JHIUT3FTFSWFE ؔ਺ܕ ᷿Ͱᷚ͞Ε͍ͯΔྑ͍࿩͠ ෭࡞༻͕͘͢ͳ͍ʂ σʔλॲཧʹूதʂ HPUP͸ॲཧϑϩʔͷ໎ࢠ 00͸ঢ়ଶͷ໎ࢠ ߨٛϊʔτ
ɹHPUPͱ00ͷ࿩͠͸ ϓϩάϥϛϯά&MJYJSͰ঺հ͞Ε͍ͯΔ ʮͲͷΑ͏ͳܦҢͰ ͜ͷεςʔλεʹḷΓண͍ͨͷ͔ ʯ͕ղΓ೉ ͍ͱ͍͏࿩͠ॻ͖ํͷ໰୊Ͱ͸͋Δ

$PQZSJHIU $ HVNJ*OD"MM3JHIUT3FTFSWFE ؔ਺ܕ ᷿Ͱᷚ͞Ε͍ͯΔྑ͍࿩͠ ෭࡞༻͕͘͢ͳ͍ʂ σʔλॲཧʹूதʂ HPUP͸ॲཧϑϩʔͷ໎ࢠ 00͸ঢ়ଶͷ໎ࢠ ᷿Ͱᷚ͞Ε͍ͯΔѱ͍࿩͠

$PQZSJHIU $ HVNJ*OD"MM3JHIUT3FTFSWFE ؔ਺ܕ ᷿Ͱᷚ͞Ε͍ͯΔྑ͍࿩͠ ෭࡞༻͕͘͢ͳ͍ʂ σʔλॲཧʹूதʂ HPUP͸ॲཧϑϩʔͷ໎ࢠ 00͸ঢ়ଶͷ໎ࢠ ֓೦ࣗମͷֶशʹ
ίετ͕ඞཁ ෑډ͕ߴ͗͢Δ ͔͠΋Կ͕خ͍͔͠ෆ໌ ᷿Ͱᷚ͞Ε͍ͯΔѱ͍࿩͠

ίετ͕ඞཁ ෑډ͕ߴ͗͢Δ ͔͠΋Կ͕خ͍͔͠ෆ໌ ᷿Ͱᷚ͞Ε͍ͯΔѱ͍࿩͠ ߨٛϊʔτ ɹؔ਺ܕͷશͯͷಛੑ͕೉͍͠Θ͚Ͱ͸ͳ͍ ɹ͔͠͠ ੈؒతʹ͸೉͍͠ͱೝࣝ͞Ε͍ͯΔ͸ͣʜ

ίετ͕ඞཁ ෑډ͕ߴ͗͢Δ ͔͠΋Կ͕خ͍͔͠ෆ໌ ᷿Ͱᷚ͞Ε͍ͯΔѱ͍࿩͠ A લఏ৚͕݅ ޡΓ ·ͯʂ

$PQZSJHIU $ HVNJ*OD"MM3JHIUT3FTFSWFE ؔ਺ܕ લఏ৚͕݅ޡΓ &MJYJS͸७ਮͳؔ਺ܕͰ͸ͳ͍͔Βʜ

$PQZSJHIU $ HVNJ*OD"MM3JHIUT3FTFSWFE ؔ਺ܕ લఏ৚͕݅ޡΓ ؔ਺ܕ༝དྷͷ࢓૊Έ͕গͳ͍ &MJYJS͸७ਮͳؔ਺ܕͰ͸ͳ͍͔Βʜ

$PQZSJHIU $ HVNJ*OD"MM3JHIUT3FTFSWFE ؔ਺ܕ લఏ৚͕݅ޡΓ ؔ਺ܕ༝དྷͷ࢓૊Έ͕গͳ͍ 00༝དྷͷ࢓૊Έ͕গͳ͍ &MJYJS͸७ਮͳؔ਺ܕͰ͸ͳ͍͔Βʜ

$PQZSJHIU $ HVNJ*OD"MM3JHIUT3FTFSWFE ؔ਺ܕ લఏ৚͕݅ޡΓ ෳࡶ͕͞ഉআ͞Ε͍ͯͯ ཧղ͢ΔͨΊͷจ຺͕গͳ͍ ؔ਺ܕ༝དྷͷ࢓૊Έ͕গͳ͍ 00༝དྷͷ࢓૊Έ͕গͳ͍
&MJYJS͸७ਮͳؔ਺ܕͰ͸ͳ͍͔Βʜ

$PQZSJHIU $ HVNJ*OD"MM3JHIUT3FTFSWFE ؔ਺ܕ લఏ৚͕݅ޡΓ ෳࡶ͕͞ഉআ͞Ε͍ͯͯ ཧղ͢ΔͨΊͷจ຺͕গͳ͍ ؔ਺ܕ༝དྷͷ࢓૊Έ͕গͳ͍ 00༝དྷͷ࢓૊Έ͕গͳ͍
&MJYJS͸७ਮͳؔ਺ܕͰ͸ͳ͍͔Βʜ ߨٛϊʔτ ɹଞऀͷهड़ͨ͠ίʔυΛಡΉͷָ͕

$PQZSJHIU $ HVNJ*OD"MM3JHIUT3FTFSWFE ؔ਺ܕ લఏ৚͕݅ޡΓ ϚΫϩʁޙ΄Ͳ࿩͠·͢ʜ ؔ਺ܕ༝དྷͷ࢓૊Έ͕গͳ͍ 00༝དྷͷ࢓૊Έ͕গͳ͍ ෳࡶ͕͞ഉআ͞Ε͍ͯͯ
ཧղ͢ΔͨΊͷจ຺͕গͳ͍ &MJYJS͸७ਮͳؔ਺ܕͰ͸ͳ͍͔Βʜ

$PQZSJHIU $ HVNJ*OD"MM3JHIUT3FTFSWFE ؔ਺ܕ લఏ৚͕݅ޡΓ ϚΫϩʁޙ΄Ͳ࿩͠·͢ʜ ؔ਺ܕ༝དྷͷ࢓૊Έ͕গͳ͍ 00༝དྷͷ࢓૊Έ͕গͳ͍ ෳࡶ͕͞ഉআ͞Ε͍ͯͯ
ཧղ͢ΔͨΊͷจ຺͕গͳ͍ &MJYJS͸७ਮͳؔ਺ܕͰ͸ͳ͍͔Βʜ ߨٛϊʔτ ɹϚΫϩࣗମ΍ϚΫϩ༝དྷͷ࢓૊Έ͸ ෳࡶ͞Λট͖΍͍͢

$PQZSJHIU $ HVNJ*OD"MM3JHIUT3FTFSWFE ؔ਺ܕ ؔ਺ܕ༝དྷͷ࢓૊Έ͕গͳ͍

$PQZSJHIU $ HVNJ*OD"MM3JHIUT3FTFSWFE ؔ਺ܕ ؔ਺ܕݴޠ͝ͱʹ७ਮ͕͞ҧ͏ ؔ਺ܕ༝དྷͷ࢓૊Έ͕গͳ͍

$PQZSJHIU $ HVNJ*OD"MM3JHIUT3FTFSWFE ؔ਺ܕ ؔ਺ܕݴޠ͝ͱʹ७ਮ͕͞ҧ͏ ؔ਺ܕ༝དྷͷ࢓૊Έ͕গͳ͍ ݴޠࣗମ͕७ਮͩʂͱݴΘΕΔ৚݅

$PQZSJHIU $ HVNJ*OD"MM3JHIUT3FTFSWFE ؔ਺ܕ ؔ਺ܕݴޠ͝ͱʹ७ਮ͕͞ҧ͏ ؔ਺ܕ༝དྷͷ࢓૊Έ͕গͳ͍ ݴޠࣗମ͕७ਮͩʂͱݴΘΕΔ৚݅ ࢀরಁաͳؔ਺ͰදݱͰ͖Δ͜ͱ͕ଟ͍

$PQZSJHIU $ HVNJ*OD"MM3JHIUT3FTFSWFE ؔ਺ܕ ؔ਺ܕݴޠ͝ͱʹ७ਮ͕͞ҧ͏ ؔ਺ܕ༝དྷͷ࢓૊Έ͕গͳ͍ ݴޠࣗମ͕७ਮͩʂͱݴΘΕΔ৚݅ ࢀরಁաͳؔ਺ͰදݱͰ͖Δ͜ͱ͕ଟ͍ FHԋࢉࢠ ྫ֎
*0ͳͲ͕ؔ਺Ͱදݱ͞Ε͍ͯΔ

$PQZSJHIU $ HVNJ*OD"MM3JHIUT3FTFSWFE ؔ਺ܕ ؔ਺ܕݴޠ͝ͱʹ७ਮ͕͞ҧ͏ ؔ਺ܕ༝དྷͷ࢓૊Έ͕গͳ͍ ݴޠࣗମ͕७ਮͩʂͱݴΘΕΔ৚݅ ࢀরಁաͳؔ਺ͰදݱͰ͖Δ͜ͱ͕ଟ͍ &MJYJS ͋·Γ
७ਮͰ͸ͳ͍ FHԋࢉࢠ ྫ֎ *0ͳͲ͕ؔ਺Ͱදݱ͞Ε͍ͯΔ

$PQZSJHIU $ HVNJ*OD"MM3JHIUT3FTFSWFE ؔ਺ܕ ؔ਺ܕݴޠ͝ͱʹ७ਮ͕͞ҧ͏ ؔ਺ܕ༝དྷͷ࢓૊Έ͕গͳ͍ ݴޠࣗମ͕७ਮͩʂͱݴΘΕΔ৚݅ ࢀরಁաͳؔ਺ͰදݱͰ͖Δ͜ͱ͕ଟ͍ &MJYJS ͋·Γ
७ਮͰ͸ͳ͍ FHԋࢉࢠ ྫ֎ *0ͳͲ͕ؔ਺Ͱදݱ͞Ε͍ͯΔ ߨٛϊʔτ ɹ͋·Γ७ਮͰ͸ͳ͍΋͘͠͸ ७ਮͰ͸ͳ͍Α͏ʹݟ͔͚͍ͤͯ Δ७ਮͰ͋Δ͜ͱͷԸܙ͸ଟ͋͘Δ͕ ͜͜Ͱݴ͍͍ͨͷ͸ ؔ਺ ܕݴޠʹ׳Ε͍ͯͳ͍ํʑʹରͯ͠ &MJYJS͸೉͘͠ͳ͍ͱ͍͏࿩

$PQZSJHIU $ HVNJ*OD"MM3JHIUT3FTFSWFE ؔ਺ܕ &MJYJS͋·Γ७ਮͰ͸ͳ͍

$PQZSJHIU $ HVNJ*OD"MM3JHIUT3FTFSWFE ؔ਺ܕ &MJYJS͋·Γ७ਮͰ͸ͳ͍ for n <- 1..3 do
end ܁Γฦ͠ ΋͘͠͸ ݟ͔͚͍ͤͯΔʜ

$PQZSJHIU $ HVNJ*OD"MM3JHIUT3FTFSWFE ؔ਺ܕ &MJYJS͋·Γ७ਮͰ͸ͳ͍ for n <- 1..3 do
if n == 2 do end end ܁Γฦ͠ ৚݅෼ذ ΋͘͠͸ ݟ͔͚͍ͤͯΔʜ

$PQZSJHIU $ HVNJ*OD"MM3JHIUT3FTFSWFE ؔ਺ܕ &MJYJS͋·Γ७ਮͰ͸ͳ͍ try do for n <-
1..3 do if n == 2 do throw :break end end catch :break -> :ok end ܁Γฦ͠ ৚݅෼ذ ྫ֎ ΋͘͠͸ ݟ͔͚͍ͤͯΔʜ

1..3 do if n == 2 do throw :break end IO.puts "number is #{n}” end catch :break -> :ok end ܁Γฦ͠ ৚݅෼ذ ྫ֎ ೖग़ྗ ΋͘͠͸ ݟ͔͚͍ͤͯΔʜ

1..3 do if n == 2 do throw :break end IO.puts "number is #{n}” end catch :break -> :ok end ܁Γฦ͠ ৚݅෼ذ ྫ֎ ೖग़ྗ ˞ඇਪ঑ͳॻ͖ํ ΋͘͠͸ ݟ͔͚͍ͤͯΔʜ

1..3 do if n == 2 do throw :break end IO.puts "number is #{n}” end catch :break -> :ok end ܁Γฦ͠ ৚݅෼ذ ྫ֎ ೖग़ྗ ˞ඇਪ঑ͳॻ͖ํ ΋͘͠͸ ݟ͔͚͍ͤͯΔʜ ߨٛϊʔτ ɹ܁Γฦ͠ ৚݅෼ذ ྫ֎ॲཧͳͲΛ༻͍ͯίʔυ͕هड़Ͱ͖Δ ɹͨͩ͠ ͜ΕΒΛෳࡶʹ૊Έ߹ΘͤΔͷͰ͸ ैདྷͷଞͷݴޠͱ Կ΋มΘΒͳ͍&MJYJSͷֶशΛਐΊΔʹै͍ ΑΓ෼͔Γ΍͘͢ ؆ܿʹίʔυΛهड़Ͱ͖ΔΑ͏ʹͳΔ

$PQZSJHIU $ HVNJ*OD"MM3JHIUT3FTFSWFE ؔ਺ܕ &MJYJS͋·Γ७ਮͰ͸ͳ͍ Ͱ΋ &MJYJSΒ͕͠͞ᕷΈग़ͨίʔυͷಡΈॻ͖ʹ͸ ֶशίετ͕ඞཁͰ͠ΐ͏

$PQZSJHIU $ HVNJ*OD"MM3JHIUT3FTFSWFE ؔ਺ܕ &MJYJS͋·Γ७ਮͰ͸ͳ͍ Ͱ΋ &MJYJSΒ͕͠͞ᕷΈग़ͨίʔυͷಡΈॻ͖ʹ͸ ֶशίετ͕ඞཁͰ͠ΐ͏ ଟ෼
ͦΜͳʹେมͰ͸ͳ͍ʜ

ͦΜͳʹେมͰ͸ͳ͍ʜ ͓͢͢Ίͷ ֶशํ๏ ϓϩάϥϛϯά&MJYJS &MJYJSೖ໳ &MJYJS4DIPPM 1IPFOJY(6*%&4

$PQZSJHIU $ HVNJ*OD"MM3JHIUT3FTFSWFE ؔ਺ܕ ϓϩάϥϛϯά&MJYJS &MJYJSೖ໳ &MJYJS4DIPPM 1IPFOJY(6*%&4

$PQZSJHIU $ HVNJ*OD"MM3JHIUT3FTFSWFE ؔ਺ܕ ϓϩάϥϛϯά&MJYJS &MJYJSೖ໳ &MJYJS4DIPPM 1IPFOJY(6*%&4 ͜ΕҎ߱ͷεϥΠυΛิ଍ࢿྉʹͯ͠ ϓϩάϥϛϯά&MJYJSQΛಡΉ
ຊ౰͸ରԠͷݪॻΛಡΜͰ΄͍͠

$PQZSJHIU $ HVNJ*OD"MM3JHIUT3FTFSWFE ؔ਺ܕ ϓϩάϥϛϯά&MJYJS &MJYJSೖ໳ &MJYJS4DIPPM 1IPFOJY(6*%&4 ͜ΕҎ߱ͷεϥΠυΛิ଍ࢿྉʹͯ͠ ϓϩάϥϛϯά&MJYJSQΛಡΉ
ຊ౰͸ରԠͷݪॻΛಡΜͰ΄͍͠ ߨٛϊʔτ ɹ͜ͷຊ͸ʮ&MYJSΒ͠͞ʯΛֶͿͷʹ࠷ద ɹബ͍ຊʹ&MJYJSͷࢥ૝͕ೱॖ͞Ε͍ͯΔͨΊ ඞಡ ɹશͯΛಡΉඞཁ͸ͳ͘ ͜ͷεϥΠυΛิ଍ࢿྉͱͯ͠ ϖʔδΛಡΉ͜ͱ͔Β࢝ΊΔ

$PQZSJHIU $ HVNJ*OD"MM3JHIUT3FTFSWFE ؔ਺ܕ ϓϩάϥϛϯά&MJYJS &MJYJSೖ໳ &MJYJS4DIPPM 1IPFOJY(6*%&4 IUUQTEFWUPHVNJFMJYJS ϓϩηε
ϓϩτίϧ ϏϔΠϏΞ ΛಡΈඈ͹͢ ͜ΕҎ߱ͷεϥΠυΛิ଍ࢿྉʹͯ͠ ϓϩάϥϛϯά&MJYJSQΛಡΉ ຊ౰͸ରԠͷݪॻΛಡΜͰ΄͍͠

ϓϩτίϧ ϏϔΠϏΞ ΛಡΈඈ͹͢ ͜ΕҎ߱ͷεϥΠυΛิ଍ࢿྉʹͯ͠ ϓϩάϥϛϯά&MJYJSQΛಡΉ ຊ౰͸ରԠͷݪॻΛಡΜͰ΄͍͠ ߨٛϊʔτ ɹ&MJYJSެࣜαΠτͷHFUUJOHTUBSUFEͷ๜༁ ɹ ͸্ڃऀ޲͚ͷ಺༰Ͱ͋ΔͨΊ ಡΈඈ͹ͯ͠Α͍

ϓϩτίϧ ϏϔΠϏΞ ΛಡΈඈ͹͢ IUUQTFMJYJSTDIPPMDPNKB جૅͷষ͚ͩಡΉ ͜ΕҎ߱ͷεϥΠυΛิ଍ࢿྉʹͯ͠ ϓϩάϥϛϯά&MJYJSQΛಡΉ ຊ౰͸ରԠͷݪॻΛಡΜͰ΄͍͠

ϓϩτίϧ ϏϔΠϏΞ ΛಡΈඈ͹͢ IUUQTFMJYJSTDIPPMDPNKB جૅͷষ͚ͩಡΉ ͜ΕҎ߱ͷεϥΠυΛิ଍ࢿྉʹͯ͠ ϓϩάϥϛϯά&MJYJSQΛಡΉ ຊ౰͸ରԠͷݪॻΛಡΜͰ΄͍͠ ߨٛϊʔτ ɹ&MJYJS4DIPPMͷ๜༁ ɹجૅͷষ͔Β࢝ΊΔ ɹ&MJYJSެࣜαΠτͷHFUUJOHTUBSUFEΑΓ આ໌ॱʹηϯεΛײ ͡Δ

ϓϩτίϧ ϏϔΠϏΞ ΛಡΈඈ͹͢ IUUQTFMJYJSTDIPPMDPNKB جૅͷষ͚ͩಡΉ IUUQTIFYEPDTQNQIPFOJYPWFSWJFXIUNM 6QBOE3VOOJOH͔Β࢝ΊΔ ͸͡Ί͸ $IBOOFMT 1SFTFODFΛಡΈඈ͹͢ ͜ΕҎ߱ͷεϥΠυΛิ଍ࢿྉʹͯ͠ ϓϩάϥϛϯά&MJYJSQΛಡΉ ຊ౰͸ରԠͷݪॻΛಡΜͰ΄͍͠

ϓϩτίϧ ϏϔΠϏΞ ΛಡΈඈ͹͢ IUUQTFMJYJSTDIPPMDPNKB جૅͷষ͚ͩಡΉ IUUQTIFYEPDTQNQIPFOJYPWFSWJFXIUNM 6QBOE3VOOJOH͔Β࢝ΊΔ ͸͡Ί͸ $IBOOFMT 1SFTFODFΛಡΈඈ͹͢ ͜ΕҎ߱ͷεϥΠυΛิ଍ࢿྉʹͯ͠ ϓϩάϥϛϯά&MJYJSQΛಡΉ ຊ౰͸ରԠͷݪॻΛಡΜͰ΄͍͠ ߨٛϊʔτ ɹ͜Ε͚ͩ๜༁͸ଘࡏ͠ͳ͍ ɹҰൠతͳ8FCαʔϏεͷ։ൃͰ͋Ε͹ $IBOOFMT΍ 1SFTFODFͷ߲ΛಡΈඈ͹ͯ͠Α͍

$PQZSJHIU $ HVNJ*OD"MM3JHIUT3FTFSWFE ؔ਺ܕ ϓϩάϥϛϯά&MJYJS ΛಡΉલʹʜ Ϧετ &OVN ύΠϓϥΠϯ EP

ߨٛϊʔτ ʮϓϩάϥϛϯάͱ͸σʔλΛม׵͢Δ͜ͱʯͱ͍͏࿩͕͠ ϓϩ άϥϛϯά&MJYJSͰ঺հ͞Ε͍ͯΔ͕ Ϧετ &OVNϞδϡʔϧ ύΠϓϥΠϯԋࢉࢠ͸ ·͞ʹσʔλม׵ͷಓ۩࢝Ίʹ ͜͜ʹֶ शίετΛࢧ෷͏

$PQZSJHIU $ HVNJ*OD"MM3JHIUT3FTFSWFE ؔ਺ܕ Ϧετ

$PQZSJHIU $ HVNJ*OD"MM3JHIUT3FTFSWFE ؔ਺ܕ Ϧετ ਖ਼͘͠ཧղͯ͠׆༻͢ΔͨΊʹ

$PQZSJHIU $ HVNJ*OD"MM3JHIUT3FTFSWFE ؔ਺ܕ &OVNͱGPSʹӅΕ͍ͯΔ͕ʜ Ϧετ ਖ਼͘͠ཧղͯ͠׆༻͢ΔͨΊʹ ׆༻ͷ伴 ߏ଄ͱ ࠶ؼ

˞Մಡੑ&OVNͱGPS࠶ؼ

˞Մಡੑ&OVNͱGPS࠶ؼ ߨٛϊʔτ ɹ࠶ؼΛ࢖͍͜ͳ͢ͱ දݱͷࣗ༝౓͕޿͕Δ͕ Մಡੑ͕མͪΔ ɹGPS΍&OVNͰཁ݅ΛຬͨͤΔ৔߹ ͦͪΒΛ࢖͏͜ͱ

$PQZSJHIU $ HVNJ*OD"MM3JHIUT3FTFSWFE ؔ਺ܕ Ϧετ

$PQZSJHIU $ HVNJ*OD"MM3JHIUT3FTFSWFE ؔ਺ܕ Ϧετ ߨٛϊʔτ ɹϓϩάϥϛϯά&JMYJSؚΊ ͳ͔ͥ&MJYJSͷೖ໳จॻ͸ Ϧετ ߏ଄ͷઆ໌Λ؆қʹࡁ·ͤΔ܏޲͕͋Δ
ɹ&SMBOHͷೖ໳จॻʹ͸ खް͍આ໌͕͋Γ ࢲࣗ਎͕ͦΕʹॿ͚ ΒΕ͍ͯΔͨΊ ͜͜ͰऔΓ্͛Δ

$PQZSJHIU $ HVNJ*OD"MM3JHIUT3FTFSWFE ؔ਺ܕ Ϧετ [1 | 2] ϖΞͱ͍͏ߏ଄͕͋Δ

$PQZSJHIU $ HVNJ*OD"MM3JHIUT3FTFSWFE ؔ਺ܕ Ϧετ [1 | 2]
ϖΞͱ͍͏ߏ଄͕͋Δ

ϖΞͱ͍͏ߏ଄͕͋Δ ߨٛϊʔτ ɹϖΞߏ଄ͷӈͱࠨ͸ ͲͷΑ͏ͳܕΛೖΕͯ΋ڐ͞ΕΔ ɹ͜ͷྫͷϖΞ͸ ਺஋ͱ਺஋ͷϖΞ

ϖΞͱ͍͏ߏ଄͕͋Δ [1]

[1] = [1 | []] ϖΞͱ͍͏ߏ଄͕͋Δ

[1] = [1 | []] ϖΞͱ͍͏ߏ଄͕͋Δ Ϧετͱ͸ϖΞͰ࡞ͬͨ ϦϯΫϦετ

[1] = [1 | []] ϖΞͱ͍͏ߏ଄͕͋Δ Ϧετͱ͸ϖΞͰ࡞ͬͨ ϦϯΫϦετ ߨٛϊʔτ ɹ<>ͱ͍͏දݱ͸ <c<>>ͷ౶ҥߏจ ɹ<>͸ ਺஋ͱۭϦετͷϖΞ

[1] = [1 | []] ϖΞͱ͍͏ߏ଄͕͋Δ Ϧετͱ͸ϖΞͰ࡞ͬͨ ϦϯΫϦετ [1, 2, 3]

$PQZSJHIU $ HVNJ*OD"MM3JHIUT3FTFSWFE ؔ਺ܕ Ϧετ [1, 2, 3]
= [1 | [2 | [3 | []]]] [1 | 2] [1] = [1 | []] ϖΞͱ͍͏ߏ଄͕͋Δ Ϧετͱ͸ϖΞͰ࡞ͬͨ ϦϯΫϦετ

$PQZSJHIU $ HVNJ*OD"MM3JHIUT3FTFSWFE ؔ਺ܕ Ϧετ t1 = [1 |
[2 | []]] U

[2 | []]] U t2 = [0 | t1] U

[2 | []]] U t2 = [0 | t1] U ઌ಄ʹཁૉΛ௥Ճ ͱͯ΋ૣ͍

$PQZSJHIU $ HVNJ*OD"MM3JHIUT3FTFSWFE ؔ਺ܕ Ϧετ defmodule Test do def puts([])
do IO.puts("finish") end def puts([n | tail]) do IO.puts("number is #{n}") puts(tail) end end Test.puts([1, 2, 3])

do IO.puts("finish") end def puts([n | tail]) do IO.puts("number is #{n}") puts(tail) end end Test.puts([1, 2, 3]) Ұप໨ O UBJM

do IO.puts("finish") end def puts([n | tail]) do IO.puts("number is #{n}") puts(tail) end end Test.puts([1, 2, 3]) Ұप໨ O UBJM ೋप໨ O UBJM

$PQZSJHIU $ HVNJ*OD"MM3JHIUT3FTFSWFE ؔ਺ܕ Ϧετ ࡾप໨ O UBJM defmodule
Test do def puts([]) do IO.puts("finish") end def puts([n | tail]) do IO.puts("number is #{n}") puts(tail) end end Test.puts([1, 2, 3])

$PQZSJHIU $ HVNJ*OD"MM3JHIUT3FTFSWFE ؔ਺ܕ Ϧετ ࡾप໨ O UBJM ࢛प໨
<> defmodule Test do def puts([]) do IO.puts("finish") end def puts([n | tail]) do IO.puts("number is #{n}") puts(tail) end end Test.puts([1, 2, 3])

$PQZSJHIU $ HVNJ*OD"MM3JHIUT3FTFSWFE ؔ਺ܕ Ϧετ ࡾप໨ O UBJM ࢛प໨
<> defmodule Test do def puts([]) do IO.puts("finish") end def puts([n | tail]) do IO.puts("number is #{n}") puts(tail) end end Test.puts([1, 2, 3]) ߨٛϊʔτ ɹ͜ͷ࠶ؼͷྫΛ ͜ͷઆ໌͚ͩͰཧղͰ͖ͳ͘ͱ΋Α͍ ɹ͜ͷิ଍આ໌Λ΋ͱʹ ϓϩάϥϛϯά&MJYJSͷϦετͱ࠶ؼͷ ߲ΛಡΉͱ ཧղ͠΍͍͢ ɹϓϩάϥϛϯά&MJYJSͱ͜ͷઆ໌Λ ͍ͬͨΓ͖ͨΓͰཧղ͢Δ

$PQZSJHIU $ HVNJ*OD"MM3JHIUT3FTFSWFE ؔ਺ܕ &OVN

$PQZSJHIU $ HVNJ*OD"MM3JHIUT3FTFSWFE ؔ਺ܕ &OVN ߨٛϊʔτ ɹ&OVNϞδϡʔϧͰఆٛ͞Ε͍ͯΔؔ਺͸ ༷ʑͳݴޠͰྨࣅ͢ Δ໊લͱػೳ͕ఏڙ͞Ε͍ͯΔͨΊ Ұ౓֮͑Δͱ
ଞͷݴޠͰ΋Ԡ ༻͕ޮ͖΍͍͢

$PQZSJHIU $ HVNJ*OD"MM3JHIUT3FTFSWFE ؔ਺ܕ &OVN _.filter(list, (elem) => {}) .map((elem)
=> {}) .sortBy((elem) => {});

$PQZSJHIU $ HVNJ*OD"MM3JHIUT3FTFSWFE ؔ਺ܕ _.filter(list, (elem) => {}) .map((elem) =>
{}) .sortBy((elem) => {}); list |> Enum.filter(fn (elem) -> end) |> Enum.map(fn (elem) -> end) |> Enum.sort(fn (elem) -> end) &MJYJSͩͱʜ &OVN

$PQZSJHIU $ HVNJ*OD"MM3JHIUT3FTFSWFE ؔ਺ܕ _.filter(list, (elem) => {}) .map((elem) =>
{}) .sortBy((elem) => {}); list |> Enum.filter(fn (elem) -> end) |> Enum.map(fn (elem) -> end) |> Enum.sort(fn (elem) -> end) &MJYJSͩͱʜ &OVN ߨٛϊʔτ ɹಉ͡Α͏ͳ໊લͱػೳͷྫ ɹ+BWB4DSJQUͰ΋&MJYJSͰ΋ಉ͡Α͏ʹهड़Ͱ͖Δ

$PQZSJHIU $ HVNJ*OD"MM3JHIUT3FTFSWFE ؔ਺ܕ &OVN Α͘࢖͏΋ͷ͔Β֮͑Δ FHϓϩάϥϛϯά&MJYJS &MJYJS4DIPPM Ͱ঺հ͞Ε͍ͯΔؔ਺ͳͲ

$PQZSJHIU $ HVNJ*OD"MM3JHIUT3FTFSWFE ؔ਺ܕ % wc -l */**.ex | tail
-1 39053 total % ag Enum | awk 'match($0, /Enum\.[a-z_\?]+/) {print substr($0, RSTART, RLENGTH)}' \ | sort | uniq -c | sort -nr | head -20 237 Enum.map 96 Enum.filter 37 Enum.into 30 Enum.group_by 24 Enum.reduce 22 Enum.empty? 18 Enum.sort 15 Enum.sum 12 Enum.reject 11 Enum.at 6 Enum.uniq 6 Enum.take 6 Enum.map_reduce 6 Enum.join 6 Enum.count 5 Enum.sort_by 5 Enum.reverse 4 Enum.random 4 Enum.flat_map 4 Enum.find

$PQZSJHIU $ HVNJ*OD"MM3JHIUT3FTFSWFE ؔ਺ܕ % wc -l */**.ex | tail
-1 39053 total % ag Enum | awk 'match($0, /Enum\.[a-z_\?]+/) {print substr($0, RSTART, RLENGTH)}' \ | sort | uniq -c | sort -nr | head -20 237 Enum.map 96 Enum.filter 37 Enum.into 30 Enum.group_by 24 Enum.reduce 22 Enum.empty? 18 Enum.sort 15 Enum.sum 12 Enum.reject 11 Enum.at 6 Enum.uniq 6 Enum.take 6 Enum.map_reduce 6 Enum.join 6 Enum.count 5 Enum.sort_by 5 Enum.reverse 4 Enum.random 4 Enum.flat_map 4 Enum.find ߨٛϊʔτ ɹωλ ɹ࣮ϓϩδΣΫτͰ࢖༻ճ਺Λूܭͯ͠Έͨ ɹNBQͷ࢖༻ճ਺͕μϯτπͰଟ͍

$PQZSJHIU $ HVNJ*OD"MM3JHIUT3FTFSWFE ؔ਺ܕ &OVN Α͘࢖͏΋ͷ͔Β֮͑Δ FHϓϩάϥϛϯά&MJYJS &MJYJS4DIPPM Ͱ঺հ͞Ε͍ͯΔؔ਺ͳͲ αϑΟοΫεΛ֮͑Δ
@CZ @XIJMF @FWFSZ

$PQZSJHIU $ HVNJ*OD"MM3JHIUT3FTFSWFE ؔ਺ܕ &OVN Α͘࢖͏΋ͷ͔Β֮͑Δ FHϓϩάϥϛϯά&MJYJS &MJYJS4DIPPM Ͱ঺հ͞Ε͍ͯΔؔ਺ͳͲ αϑΟοΫεΛ֮͑Δ
@CZ @XIJMF @FWFSZ ߨٛϊʔτ ɹ&OVNΑΓGPSͷՄಡੑ͕ߴ͍͜ͱ͕͋ΔpMUFS@NBQͱ͍͏ ؔ਺͕&OVN͔Β࡟আ͞Εͨ͜ͱ͕͋Γ ࡟আཧ༝͸GPSΛ࢖͑ ɹઌ΄Ͳͷ࣮ϓϩδΣΫτͰݕࡧ͢Δͱ GPSͷ࢖༻ճ਺͸ ݅Ͱ NBQͷ࣍ʹ࢖༻ճ਺͕ଟ͍݁Ռͱͳͬͨ

$PQZSJHIU $ HVNJ*OD"MM3JHIUT3FTFSWFE ؔ਺ܕ ύΠϓϥΠϯ

$PQZSJHIU $ HVNJ*OD"MM3JHIUT3FTFSWFE ؔ਺ܕ ύΠϓϥΠϯ ߨٛϊʔτ ɹJFYΛ4IFMMͱߟ͑Δͱ ύΠϓϥΠϯԋࢉࢠͷଘࡏ͸ ຯΘ͍͕ ਂ͍
ɹઌ΄Ͳͷ࣮ϓϩδΣΫτͰ࢖༻ճ਺Λௐ΂Δͱ݅

$PQZSJHIU $ HVNJ*OD"MM3JHIUT3FTFSWFE ؔ਺ܕ ύΠϓϥΠϯ زా |> ElixirFest2019.elixirͷ஌ࣝΛ௥Ճ͢Δ |> GumiInc.elixirͷܦݧΛ௥Ճ͢Δ

ߨٛϊʔτ ɹωλ ɹ͋͟ͱ͍ྫͰਃ͠༁ͳ͍&MJYJS'FTU͸ ೥݄೔ ɹม਺໊ͱؔ਺໊͸ ϚϧνόΠτจࣈΛ࢖༻Ͱ͖Δ ɹϞδϡʔϧ໊͸ ϚϧνόΠτจࣈΛ࢖༻Ͱ͖ͳ͍

$PQZSJHIU $ HVNJ*OD"MM3JHIUT3FTFSWFE ؔ਺ܕ ύΠϓϥΠϯ ύΠϓϥΠϯͷଘࡏҙٛ زా |> ElixirFest2019.elixirͷ஌ࣝΛ௥Ճ͢Δ |>
GumiInc.elixirͷܦݧΛ௥Ճ͢Δ

ύΠϓϥΠϯͷଘࡏҙٛՄಡੑͷ্ঢ

ύΠϓϥΠϯͷଘࡏҙٛՄಡੑͷ্ঢ GumiInc.elixirͷܦݧΛ௥Ճ͢Δ( ElixirFest2019.elixirͷ஌ࣝΛ௥Ճ͢Δ(زా) )

$PQZSJHIU $ HVNJ*OD"MM3JHIUT3FTFSWFE ؔ਺ܕ ύΠϓϥΠϯ ύΠϓϥΠϯͷଘࡏҙٛ ؔ਺ఆٛʹҰ؏ੑ͕ੜ͡Δ زా |> ElixirFest2019.elixirͷ஌ࣝΛ௥Ճ͢Δ
|> GumiInc.elixirͷܦݧΛ௥Ճ͢Δ

$PQZSJHIU $ HVNJ*OD"MM3JHIUT3FTFSWFE ؔ਺ܕ ύΠϓϥΠϯ ύΠϓϥΠϯͷଘࡏҙٛ ύΠϓϥΠϯ͕࢖͑ΔΑ͏ʹؔ਺Λఆٛ͢Δบ زా |> ElixirFest2019.elixirͷ஌ࣝΛ௥Ճ͢Δ
|> GumiInc.elixirͷܦݧΛ௥Ճ͢Δ ؔ਺ఆٛʹҰ؏ੑ͕ੜ͡Δ

GumiInc.elixirͷܦݧΛ௥Ճ͢Δ ؔ਺ఆٛʹҰ؏ੑ͕ੜ͡Δ ύΠϓϥΠϯ͕࢖͑ΔΑ͏ʹؔ਺Λఆٛ͢Δบ ୈҰҾ਺ૢ࡞લσʔλ ɹ໭Γ஋ૢ࡞ޙσʔλ

GumiInc.elixirͷܦݧΛ௥Ճ͢Δ ศརྑ͍श׳ ؔ਺ఆٛʹҰ؏ੑ͕ੜ͡Δ ύΠϓϥΠϯ͕࢖͑ΔΑ͏ʹؔ਺Λఆٛ͢Δบ ୈҰҾ਺ૢ࡞લσʔλ ɹ໭Γ஋ૢ࡞ޙσʔλ

GumiInc.elixirͷܦݧΛ௥Ճ͢Δ ศརྑ͍श׳ ؔ਺ఆٛʹҰ؏ੑ͕ੜ͡Δ ύΠϓϥΠϯ͕࢖͑ΔΑ͏ʹؔ਺Λఆٛ͢Δบ ୈҰҾ਺ૢ࡞લσʔλ ɹ໭Γ஋ૢ࡞ޙσʔλ ߨٛϊʔτ ɹҰ؏ੑ͕͋Δ͔Β ࢓༷͕༧ଌ͠΍͍͢ ɹศརͱྑ͍श׳ͷྑ॥؀

GumiInc.elixirͷܦݧΛ௥Ճ͢Δ ศརྑ͍श׳ ؔ਺ఆٛʹҰ؏ੑ͕ੜ͡Δ ύΠϓϥΠϯ͕࢖͑ΔΑ͏ʹؔ਺Λఆٛ͢Δบ ୈҰҾ਺ૢ࡞લσʔλ ɹ໭Γ஋ૢ࡞ޙσʔλ ߨٛϊʔτ ωλ ɹ1ZUIPOͷTPSUFE͸ୈҰҾ਺͕*UFSBCMFͰ NBQ͸ୈೋҾ਺ ͕*UFSBCMFࢲ͸ TPSUFEͷҾ਺ΛΑؒ͘ҧ͑Δ ɹTPSUFEʹ౉ؔ͢਺͸ LFZΛฦ͔͢Βͩͱࢥ͏͕ʜਏ͍

$PQZSJHIU $ HVNJ*OD"MM3JHIUT3FTFSWFE ؔ਺ܕ ύΠϓϥΠϯ IUUQUDHJUIVCJPQSPQPTBMQJQFMJOFPQFSBUPS ·ͩεςʔδυϥϑτ͚ͩͲ +BWB4DSJQUʹ΋ೖΔ͔΋

$PQZSJHIU $ HVNJ*OD"MM3JHIUT3FTFSWFE ؔ਺ܕ ύΠϓϥΠϯ IUUQUDHJUIVCJPQSPQPTBMQJQFMJOFPQFSBUPS ·ͩεςʔδυϥϑτ͚ͩͲ +BWB4DSJQUʹ΋ೖΔ͔΋ &MJYJSͰઌߦମݧ͠Α͏ʂ

$PQZSJHIU $ HVNJ*OD"MM3JHIUT3FTFSWFE ؔ਺ܕ EP

$PQZSJHIU $ HVNJ*OD"MM3JHIUT3FTFSWFE ؔ਺ܕ EPͷ๏ଇ ೦಄ʹ͓͘ͱ༷ʑͳߏจΛཧղ͠΍͍͢ EP

$PQZSJHIU $ HVNJ*OD"MM3JHIUT3FTFSWFE ؔ਺ܕ EPͷ๏ଇ ೦಄ʹ͓͘ͱ༷ʑͳߏจΛཧղ͠΍͍͢ EP FHEFGNPEVMF EFG DBTF
JG GPSͳͲ

$PQZSJHIU $ HVNJ*OD"MM3JHIUT3FTFSWFE ؔ਺ܕ EPͷ๏ଇ ೦಄ʹ͓͘ͱ༷ʑͳߏจΛཧղ͠΍͍͢ EP FHEFGNPEVMF EFG DBTF
JG GPSͳͲ EPϒϩοΫΛҾ਺ʹͱΔ΋ͷ͸ ม਺ͷείʔϓΛ࣋ͭ ஋ ໭Γ஋ Λ࣋ͭ

$PQZSJHIU $ HVNJ*OD"MM3JHIUT3FTFSWFE ؔ਺ܕ defmodule Test do def test do
a = 1 b = if :true do a = 2 a end {a, b} end end {1, 2} = Test.test EP

a = 1 b = if :true do a = 2 a end {a, b} end end {1, 2} = Test.test EP EFGͷείʔϓ಺

a = 1 b = if :true do a = 2 a end {a, b} end end {1, 2} = Test.test EP JGͷ໭Γ஋ EFGͷείʔϓ಺

a = 1 b = if :true do a = 2 a end {a, b} end end {1, 2} = Test.test EP JGͷείʔϓ಺ JGͷ໭Γ஋ EFGͷείʔϓ಺

a = 1 b = if :true do a = 2 a end {a, b} end end {1, 2} = Test.test EP JGͷ໭Γ஋ JGͷείʔϓ಺ B C EFGͷείʔϓ಺

a = 1 b = if :true do a = 2 a end {a, b} end end {1, 2} = Test.test EP JGͷείʔϓ಺ B C ߨٛϊʔτ ɹϒϩοΫʹείʔϓͱ໭Γ஋͕͋ΔͨΊ ϒϩοΫωετͷਂ͍ͱ ͜ΖͰ ্ҐϒϩοΫͷม਺Λ࠶ଋറ ͢Δඞཁ͕ͳ͍cͰ͖ͳ͍ ɹΑͬͯʮ͜ͷ஋͸ Ͳ͔͜Βདྷͨͷ͔ʁʯΛௐ΂Δख͕ؒݮΓ Մ ಡੑ্͕͕Δ JGͷ໭Γ஋ EFGͷείʔϓ಺

ߨٛϊʔτ ɹϓϩάϥϛϯά&MJYJSΛಡΉલ ΋͘͠͸ಡΜͩޙʹ ิ଍ࢿྉͱ ͯ͠ ͜ͷεϥΠυͷϦετ &OVN ύΠϓϥΠϯ EPͷઆ໌Λಡ Έฦ͢ͱ ཧղ͕ਂ·Δ

ͦΜͳʹେมͰ͸ͳ͍ʜ ͓͢͢Ίͷ ֶशํ๏ ϓϩάϥϛϯά&MJYJS &MJYJSೖ໳ &MJYJS4DIPPM 1IPFOJY(6*%&4

ͦΜͳʹେมͰ͸ͳ͍ʜ ͓͢͢Ίͷ ֶशํ๏ ϓϩάϥϛϯά&MJYJS &MJYJSೖ໳ &MJYJS4DIPPM 1IPFOJY(6*%&4 ߨٛϊʔτ ɹؔ਺ܕͱ͍ͬͯ΋ ͦΕ΄Ͳ&MJYJS͸೉͘͠ͳ͍ ɹͥͻ ؾܰʹೖ໳ͯ͠΄͍͠

$PQZSJHIU $ HVNJ*OD"MM3JHIUT3FTFSWFE ·ͱΊ

$PQZSJHIU $ HVNJ*OD"MM3JHIUT3FTFSWFE ฒߦॲཧ ֶशίετΛׂ͘ Ϧετͷѻ͍ํ ͠͹Β͘ ֶशίετΛׂ͔ͳ͍ ฒߦॲཧશൠ ϚΫϩશൠ
ϏϔΠϏΞͱϓϩτίϧ ֶͿ͜ͱΛऔࣺબ୒ֶͯ͠शίετΛԼ͛Δ

$PQZSJHIU $ HVNJ*OD"MM3JHIUT3FTFSWFE ฒߦॲཧ ֶशίετΛׂ͘ Ϧετͷѻ͍ํ ͠͹Β͘ ֶशίετΛׂ͔ͳ͍ ฒߦॲཧશൠ ϚΫϩશൠ
ϏϔΠϏΞͱϓϩτίϧ ֶͿ͜ͱΛऔࣺબ୒ֶͯ͠शίετΛԼ͛Δ ߨٛϊʔτ ɹϚΫϩ ϏϔΠϏΞ ϓϩτίϧ͸ ֶशΛޙճ͠ʹͯ͠ྑ͍ཧ༝ ͸ ࣌ؒͷ౎߹Ͱઆ໌͍ͯ͠ͳ͍ख୹ʹઆ໌͢Δͱ 8FCγεςϜ ͷ։ൃʹݶఆ͢Δͱ ৽ͨʹ ࣗ࡞ͷ͜ΕΒΛఆٛ͠ͳ͘ͱ΋ ։ൃ Ͱ͖Δ͔Β

$PQZSJHIU $ HVNJ*OD"MM3JHIUT3FTFSWFE ·ͱΊ ֶशίετ͕ߴ͍ ҆શੑ͕ߴ͘ ੜ࢈ੑ͕ߴ͘ ͦΕҎ֎ͷੑ࣭͸ ΄Ͳྑ͍ ࠓ೔࿩ͨ͜͠ͱ
͸ߴ͘΋௿͘΋ͳ͍ 8FCγεςϜͷ։ൃͳΒ͹ Ճ͑ͯʜ ྑ͍͜ͱ΋ѱ͍͜ͱ΋࿩͢

$PQZSJHIU $ HVNJ*OD"MM3JHIUT3FTFSWFE ·ͱΊ ֶशίετ͕ߴ͍ &MJYJS͸ֶशίετͷׂʹ͸ Ըܙ͕େ͖͍ ࣋ͪؼͬͯ΄͍͜͠ͱ ҆શੑ͕ߴ͘ ੜ࢈ੑ͕ߴ͘
ͦΕҎ֎ͷੑ࣭͸ ΄Ͳྑ͍ ࠓ೔࿩ͨ͜͠ͱ ͸ߴ͘΋௿͘΋ͳ͍ 8FCγεςϜͷ։ൃͳΒ͹ Ճ͑ͯʜ ྑ͍͜ͱ΋ѱ͍͜ͱ΋࿩͢

$PQZSJHIU $ HVNJ*OD"MM3JHIUT3FTFSWFE ·ͱΊ ຊ೔ͷ࿩͠Λฉ͍ͯ &MJYJSͷ৘ใަ׵͕ͨ͘͠ͳͬͨΒʜ

$PQZSJHIU $ HVNJ*OD"MM3JHIUT3FTFSWFE ͝ਗ਼ௌ͋Γ͕ͱ͏͍͟͝·ͨ͠ IUUQTFMJYJSGFTUKQ

$PQZSJHIU $ HVNJ*OD"MM3JHIUT3FTFSWFE ࢲ͕Ѫ͢Δ Elixir/Erlang ͷָ͠͞ͱਏ͞ Developers Summit 2019 15-D-5
͜ΕΛ·ͩ஌Βͳ͍8FCΤϯδχΞ΁ଃΔ ೥݄೔ HVNJ*OD$50زాխਔ

$PQZSJHIU $ HVNJ*OD"MM3JHIUT3FTFSWFE ࢲ͕Ѫ͢Δ Elixir/Erlang ͷ ਏ͞ Developers Summit 2019
15-D-5 (ཪ) ͜ΕΛ·ͩ஌Βͳ͍8FCΤϯδχΞ΁ଃΔ ೥݄೔ HVNJ*OD$50زాխਔ

$PQZSJHIU $ HVNJ*OD"MM3JHIUT3FTFSWFE ࠓ೔ͷ࿩͠

$PQZSJHIU $ HVNJ*OD"MM3JHIUT3FTFSWFE ࠓ೔ͷ࿩͠ ೖ໳લ ೖ໳ޙ ׬શʹཧղͨ͠ νϣοτσΩϧ &MJYJSཧղ౓

$PQZSJHIU $ HVNJ*OD"MM3JHIUT3FTFSWFE ࠓ೔ͷ࿩͠ ೖ໳લ ೖ໳ޙ ׬શʹཧղͨ͠ νϣοτσΩϧ &MJYJSཧղ౓ ઌ΄Ͳͷλʔήοτ
ઌ΄Ͳͷ࿩͠

$PQZSJHIU $ HVNJ*OD"MM3JHIUT3FTFSWFE ࠓ೔ͷ࿩͠ ೖ໳લ ೖ໳ޙ ׬શʹཧղͨ͠ νϣοτσΩϧ &MJYJSཧղ౓ ઌ΄Ͳͷλʔήοτ
ઌ΄Ͳͷ࿩͠ ͜ͷ࿩͠ͷλʔήοτ ͜ͷ࿩͠

$PQZSJHIU $ HVNJ*OD"MM3JHIUT3FTFSWFE ϚΫϩ ʹ͍ͭͯ ඵ૝ఆ ໨࣍ 051 ʹ͍ͭͯ ෼૝ఆ
ؔ਺ܕͱ00 ʹ͍ͭͯ ෼૝ఆ ඵ૝ఆ ·ͱΊ

$PQZSJHIU $ HVNJ*OD"MM3JHIUT3FTFSWFE 051 051͸ߴػೳ

$PQZSJHIU $ HVNJ*OD"MM3JHIUT3FTFSWFE 051 051͸ߴػೳ ίʔυͷϗοτεϫοϓʂ ΫϥελϦϯά ෼ࢄ%#׬උ ΦϯϝϞϦʔϞʔυͳΒ45. &SMBOH5FSNͰͳΜͰ΋γϦΞϥΠζ
ͦͯ͠ωοτϫʔΫӽ͠ʹసૹʂ ؔ਺ͩͬͯૹΕͪΌ͏ 051051 ઌਓͷ஌ܙͷू໿ HSPVQMFBEFSೖΕସ͑ͯ ଞϊʔυʹϩάग़ྗ

ͦͯ͠ωοτϫʔΫӽ͠ʹసૹʂ ؔ਺ͩͬͯૹΕͪΌ͏ 051051 ઌਓͷ஌ܙͷू໿ HSPVQMFBEFSೖΕସ͑ͯ ଞϊʔυʹϩάग़ྗ ߨٛϊʔτ ɹ͜ΕͰ΋ණࢁͷҰ֯

ͦͯ͠ωοτϫʔΫӽ͠ʹసૹʂ ؔ਺ͩͬͯૹΕͪΌ͏ 051051 ઌਓͷ஌ܙͷू໿ ͋Δͱ࢖͍ͨ͘ͳΓ·͢ΑͶʁ HSPVQMFBEFSೖΕସ͑ͯ ଞϊʔυʹϩάग़ྗ

ͦͯ͠ωοτϫʔΫӽ͠ʹసૹʂ ؔ਺ͩͬͯૹΕͪΌ͏ 051051 ઌਓͷ஌ܙͷू໿ ͋Δͱ࢖͍ͨ͘ͳΓ·͢ΑͶʁ HSPVQMFBEFSೖΕସ͑ͯ ଞϊʔυʹϩάग़ྗ 8FCγεςϜ։ൃͰ͸ ΄΅ ඞཁͳ͍

$PQZSJHIU $ HVNJ*OD"MM3JHIUT3FTFSWFE 051 8FCγεςϜ։ൃͰ͸ ΄΅ඞཁͳ͍ 051͸ߴػೳ

$PQZSJHIU $ HVNJ*OD"MM3JHIUT3FTFSWFE 051 8FCγεςϜ։ൃͰ͸ ΄΅ඞཁͳ͍ 051͸ߴػೳ "1*αʔόΛ&MJYJSͰॻ͘ ཧ༝͸
͖ͬ͞࿩ͨ͠ "1*αʔό͸εςʔτϨεʹͯ͠ΦʔτεέʔϦϯάʹରԠ͢Δ Ωϟογϡ΍%#ͳͲ͸ ط੡඼Λ࢖͏ &MJYJSͷ༻్ΛׂΓ੾Δ

͖ͬ͞࿩ͨ͠ "1*αʔό͸εςʔτϨεʹͯ͠ΦʔτεέʔϦϯάʹରԠ͢Δ Ωϟογϡ΍%#ͳͲ͸ ط੡඼Λ࢖͏ &MJYJSͷ༻్ΛׂΓ੾Δ ࢲͷϞνϕʔγϣϯ ָΛ͍ͨ͠

͖ͬ͞࿩ͨ͠ "1*αʔό͸εςʔτϨεʹͯ͠ΦʔτεέʔϦϯάʹରԠ͢Δ Ωϟογϡ΍%#ͳͲ͸ ط੡඼Λ࢖͏ &MJYJSͷ༻్ΛׂΓ੾Δ ࢲͷϞνϕʔγϣϯ ָΛ͍ͨ͠ ߨٛϊʔτ ɹ"1*αʔόͷ։ൃͱӡ༻ͰָΛ͍ͨ͠ͷ͸ ϏδωεͳͲʹूத ͍͔ͨ͠Β

$PQZSJHIU $ HVNJ*OD"MM3JHIUT3FTFSWFE 051 ΫϥελϦϯά &54 %&54 .OFTJB ίʔυϗοτεϫοϓ ͜ͷลΓΛஅࣺ཭ͯ͠Α͍
&MJYJSͷ༻్ΛׂΓ੾Δ ΋ͬͱ͋Δ͔΋ʜ

$PQZSJHIU $ HVNJ*OD"MM3JHIUT3FTFSWFE 051 &54 %&54 .OFTJB ͍͢͝&SMBOHΏ͔͍ʹֶ΅͏ ͜ΕΒͷྑ͞΍࢖͍ํ͸ʜ Λ֬͝ೝ͍ͩ͘͞

ߨٛϊʔτ ɹ&54͸ ΦϯϝϞϦ%# %&54͸ ΦϯσΟεΫ%# .OFTJB ͸ &54ͱ%&54ͷ্ʹߏங͞Εͨ෼ࢄ%#

εςʔλεΛڞ༗͢Δखஈ

εςʔλεΛڞ༗͢Δखஈ ߨٛϊʔτ ɹ&54͸ Ωϟογϡ༻్ʹศར͕ͩ ڞ༗ϝϞϦͰεϨουϓϩ άϥϛϯά͢Δੈքʹٯ໭Γ͢Δ ɹ.OFTJB͸ "1*αʔόʹ%#ͷϩʔϧΛ୲ΘͤΔͨΊ αʔό ͷΦʔτεέʔϦϯάͷ೉қ౓Λ্͛Δ

εςʔλεΛڞ༗͢Δखஈ ߨٛϊʔτ ɹ"1*αʔόΛ࡞Δ͚ͩͳΒ ແବͳෳࡶੑΛγεςϜʹݺͼࠐ· ͳ͍Α͏ ར༻͸ආ͚Δ͜ͱ

εςʔλεΛڞ༗͢Δखஈ ߨٛϊʔτ ɹ&54͸ &DUP಺Ͱ1SFQBSFͨ͠%#2VFSZΛҰϊʔυ಺Ͱ Ωϟογϡͯ͠࢖͍ճ͢ͳͲʹར༻͞Ε͍ͯΔ ɹ&MJYJSೖ໳௚ޙ͸ ͜ͷΑ͏ͳνϡʔχϯάΛ࣮੷͋ΔϥΠϒϥϦ ʹ೚ͤΔ͜ͱ

&MJYJSͷ༻్ΛׂΓ੾Δ ΋ͬͱ͋Δ͔΋ʜ ߨٛϊʔτ ɹΫϥελϦϯάͷ࿩͠͸লུ͢Δ ɹΦʔτεέʔϦϯάͷ೉қ౓্͕͕ΔͨΊ આ໌͢Δ·Ͱ΋ͳ͍

$PQZSJHIU $ HVNJ*OD"MM3JHIUT3FTFSWFE 051 ίʔυϗοτεϫοϓ ϓϩηε຤ඌ࠶ؼ͍ͯ͠Δؔ਺ ίʔυϗοτεϫοϓ ຤ඌ࠶ؼ͢Δؔ਺Λ ϑϧωʔϜͰධՁ͢Δͱ ൃੜ͢Δ

ߨٛϊʔτ ɹؔ਺Λ࠶ؼ͢Δࡍ Ϟδϡʔϧ໊ΛؚΉϑϧωʔϜͰධՁ͢Δͱ ίʔυϗοτεϫοϓͱͳΔ ɹҰݟ͢Δͱ ඇৗʹ୯७ͳ࢓૊Έ

IUUQTIBQQJHJUIVCJPUIF#FBN#PPL

IUUQTIBQQJHJUIVCJPUIF#FBN#PPL ϓϩηεΛӽڥͯ͠ίʔυϗοτεϫοϓ͕ γεςϜશମʹద༻͞Ε͍ͯΔࣄྫ͸ Έͨ͜ͱͳ͍

IUUQTIBQQJHJUIVCJPUIF#FBN#PPL ϓϩηεΛӽڥͯ͠ίʔυϗοτεϫοϓ͕ γεςϜશମʹద༻͞Ε͍ͯΔࣄྫ͸ Έͨ͜ͱͳ͍ ߨٛϊʔτ ɹUIF#&".#PPLͰ͢Β ͜Μͳ͜ͱ͕هड़͞Ε͍ͯΔ ɹ͔͠΋ ίʔυϗοτεϫοϓ͕ଘࡏ͢Δ͔Β &SMBOH͸੩తܕ ෇͚ʹͰ͖ͳ͍ͱ͍͏୰͖΋ఴ͑ΒΕ͍ͯΔ

IUUQTIBQQJHJUIVCJPUIF#FBN#PPL ϓϩηεΛӽڥͯ͠ίʔυϗοτεϫοϓ͕ γεςϜશମʹద༻͞Ε͍ͯΔࣄྫ͸ Έͨ͜ͱͳ͍ ߨٛϊʔτ ɹىಈ͍ͯ͠Δϓϩηεશͯʹରͯ͠ ׬ᘳʹίʔυϗοτεϫοϓ ʹରԠ͍ͯ͠Δͱอূ͢ΔίετΑΓ ࠶ىಈίετͷํ͕௿͍ ɹαʔϏεͷແఀࢭΛ࣮ݱ͢ΔͳΒ͹ #MVF(SFFO%FQMPZͰΑ ͍

IUUQTIBQQJHJUIVCJPUIF#FBN#PPL ϓϩηεΛӽڥͯ͠ίʔυϗοτεϫοϓ͕ γεςϜશମʹద༻͞Ε͍ͯΔࣄྫ͸ Έͨ͜ͱͳ͍ ߨٛϊʔτ ɹEJTUJMMFSZͷVQHSBEF͕ػೳ͢Δύλʔϯ΋͋Δ ɹ͔͠͠ ͋ΔύλʔϯͰ͸ػೳ͢Δ͔Β࢖͏ ͋ΔύλʔϯͰ͸ػ ೳ͠ͳ͍͔Β࠶ىಈ͢Δʜͱ͍͏෼ذ͕ଘࡏ͢Δͱ ӡ༻ίετ͕ ্͕Δ

IUUQTIBQQJHJUIVCJPUIF#FBN#PPL ϓϩηεΛӽڥͯ͠ίʔυϗοτεϫοϓ͕ γεςϜશମʹద༻͞Ε͍ͯΔࣄྫ͸ Έͨ͜ͱͳ͍ ߨٛϊʔτ ɹྫ͑͹ "1*αʔόͰ పఈతʹࣗ࡞ϓϩηεͷ࢖༻Λආ͚ͨͱ͠ ͯ΋ ґଘ͍ͯ͠ΔEFQTΛߋ৽͢Δ৔߹ ଞਓͷίʔυ͕ίʔυϗ οτεϫοϓʹରԠ͍ͯ͠Δ͔֬ೝ͢Δඞཁ͕͋ΔରԠ͍ͯ͠ͳ͚ Ε͹ ࠶ىಈͱͳΔຖճ ൑அίετ͕ൃੜ͍ͯ͠Δ

IUUQTIBQQJHJUIVCJPUIF#FBN#PPL ϓϩηεΛӽڥͯ͠ίʔυϗοτεϫοϓ͕ γεςϜશମʹద༻͞Ε͍ͯΔࣄྫ͸ Έͨ͜ͱͳ͍ ߨٛϊʔτ ɹͦ΋ͦ΋ "1*αʔό͸εςʔτϨεʹઃܭ͠ ΦʔτεέʔϦϯ άʹରԠ͢Δํ਑Ͱ͋ΔͳΒ͹ ίʔυϗοτεϫοϓՄೳͳঢ়ଶΛ ҡ࣋͢ΔίετΛࢧ෷͏ҙຯ͕ͳ͍

͖ͬ͞࿩ͨ͠ "1*αʔό͸εςʔτϨεʹͯ͠ΦʔτεέʔϦϯάʹରԠ͢Δ Ωϟογϡ΍%#ͳͲ͸ ط੡඼Λ࢖͏ &MJYJSͷ༻్ΛׂΓ੾Δ ࢲͷϞνϕʔγϣϯ ָΛ͍ͨ͠

$PQZSJHIU $ HVNJ*OD"MM3JHIUT3FTFSWFE ؔ਺ܕͱ00 ࠞઢ͢Δؔ਺ܕͱ00

$PQZSJHIU $ HVNJ*OD"MM3JHIUT3FTFSWFE It is really common for OO developers
to think of Elixir modules as the minimal code structure (and therefore breaking everything into modules) and forget about functions. +PTÉ7BMJN (https://groups.google.com/forum/m/#!topic/elixir-lang-talk/Ib11890jfmY) ؔ਺ܕͱ00 ࠞઢ͢Δؔ਺ܕͱ00

$PQZSJHIU $ HVNJ*OD"MM3JHIUT3FTFSWFE Ұൠతʹ OO ͷ։ൃऀͨͪ͸, Elixir ͷϞδϡʔϧΛ࠷খͷ ίʔυߏ଄ͱΈͳͯؔ͠਺Λ๨Εͯ͠·͏. (ͦΕނ,
શͯΛ ϞδϡʔϧԽ͢Δ) +PTÉ7BMJN ؔ਺ܕͱ00 (https://groups.google.com/forum/m/#!topic/elixir-lang-talk/Ib11890jfmY) ࠞઢ͢Δؔ਺ܕͱ00

$PQZSJHIU $ HVNJ*OD"MM3JHIUT3FTFSWFE ࠞઢ͢Δؔ਺ܕͱ00 ؔ਺ܕͱ00 Ϟδϡʔϧͷͭͷ໾ׂ

$PQZSJHIU $ HVNJ*OD"MM3JHIUT3FTFSWFE ؔ਺Λ·ͱΊΔ ࠞઢ͢Δؔ਺ܕͱ00 ؔ਺ܕͱ00 Ϟδϡʔϧͷͭͷ໾ׂ

$PQZSJHIU $ HVNJ*OD"MM3JHIUT3FTFSWFE ؔ਺Λ·ͱΊΔ ߏ଄ମ΍ܕΛఆٛ͢Δ ࠞઢ͢Δؔ਺ܕͱ00 ؔ਺ܕͱ00 Ϟδϡʔϧͷͭͷ໾ׂ

$PQZSJHIU $ HVNJ*OD"MM3JHIUT3FTFSWFE ؔ਺Λ·ͱΊΔ ߏ଄ମ΍ܕΛఆٛ͢Δ ࠞઢ͢Δؔ਺ܕͱ00 ؔ਺ܕͱ00 Ϟδϡʔϧͷͭͷ໾ׂ defmodule User
do defstruct name: nil, age: nil def new(name, age) do %User{name: name, age: age} end def puts_name(%User{name: name}) do IO.puts name end end

do defstruct name: nil, age: nil def new(name, age) do %User{name: name, age: age} end def puts_name(%User{name: name}) do IO.puts name end end Ϋϥεఆٛ ʹݟ͑Δ

do defstruct name: nil, age: nil def new(name, age) do %User{name: name, age: age} end def puts_name(%User{name: name}) do IO.puts name end end Ϋϥεఆٛ ʹݟ͑Δ ߨٛϊʔτ ɹΫϥεఆٛʹݟ͑Δͱ Կ͕͍͚ͳ͍ͷ͔ʁ

$PQZSJHIU $ HVNJ*OD"MM3JHIUT3FTFSWFE ؔ਺ܕͱ00 (https://groups.google.com/forum/m/#!topic/elixir-lang-talk/Ib11890jfmY) ࠞઢ͢Δؔ਺ܕͱ00 &DUPΛϦϙδτϦύλʔϯͰந৅Խ͢ΔΞΠσΞ

$PQZSJHIU $ HVNJ*OD"MM3JHIUT3FTFSWFE ؔ਺ܕͱ00 (https://groups.google.com/forum/m/#!topic/elixir-lang-talk/Ib11890jfmY) ࠞઢ͢Δؔ਺ܕͱ00 &DUPΛϦϙδτϦύλʔϯͰந৅Խ͢ΔΞΠσΞ ߨٛϊʔτ ɹ&MJYJSͰ00͕Ͱ͖Δʂͱצҧ͍ͯ͠ ແବͳந৅ԽΛ࣋ͪࠐΈ
ίʔυ͕ෳࡶԽ͢ΔࣄҊ͕ൃੜ͠΍͍͢ ɹྫ͑͹ &DUPͰSFQPͱ͍͏୯ޠΛ࢖͍ͬͯΔͨΊ ϦϙδτϦ ύλʔϯʹΑΔந৅ԽͷϕετϓϥΫςΟεΛ࣋ͪࠐΉ࿩͠ͳͲ

$PQZSJHIU $ HVNJ*OD"MM3JHIUT3FTFSWFE ؔ਺ܕͱ00 (https://groups.google.com/forum/m/#!topic/elixir-lang-talk/Ib11890jfmY) ࠞઢ͢Δؔ਺ܕͱ00 &DUPΛϦϙδτϦύλʔϯͰந৅Խ͢ΔΞΠσΞ 00͞Μ

$PQZSJHIU $ HVNJ*OD"MM3JHIUT3FTFSWFE ؔ਺ܕͱ00 (https://groups.google.com/forum/m/#!topic/elixir-lang-talk/Ib11890jfmY) ࠞઢ͢Δؔ਺ܕͱ00 &DUPΛϦϙδτϦύλʔϯͰந৅Խ͢ΔΞΠσΞ ςετ࣌ʹ࣮૷ΛೖΕସ͍͑ͨ ಡΈࠐΈͷͱ͖͸ΩϟογϡΛڬΈ͍ͨ ಡΈࠐΈͱॻ͖ࠐΈͰผͷ3FQP࢖͍͍ͨ
00͞Μ

$PQZSJHIU $ HVNJ*OD"MM3JHIUT3FTFSWFE ؔ਺ܕͱ00 (https://groups.google.com/forum/m/#!topic/elixir-lang-talk/Ib11890jfmY) ࠞઢ͢Δؔ਺ܕͱ00 &DUPΛϦϙδτϦύλʔϯͰந৅Խ͢ΔΞΠσΞ 00͞Μ 6TFS3FQPϞδϡʔϧ HFU@BDUJWFؔ਺Ͱ
!SFQPHFU@BDUJWFΛ࣮ߦ !SFQP&DUP6TFS3FQP *'୲౰ ςετ࣌ʹ!SFQPΛม͑Δ༧ఆ

!SFQPHFU@BDUJWFΛ࣮ߦ !SFQP&DUP6TFS3FQP *'୲౰ ςετ࣌ʹ!SFQPΛม͑Δ༧ఆ ߨٛϊʔτ ɹ6TFS3FQP͸ίϯτϩʔϥʔ͔Β࢖༻͞ΕΔ ɹ!SFQP͸ઃఆϑΝΠϧ͔Βऔಘ͢Δॳظ஋͸&DUP6TFS3FQP ͕ͩ ςετ࣌ʹઃఆϑΝΠϧͰೖΕସ͑Δ

!SFQPHFU@BDUJWFΛ࣮ߦ !SFQP&DUP6TFS3FQP &DUP6TFS3FQPϞδϡʔϧ HFU@BDUJWFؔ਺Ͱ !SFBE@SFQPHFU@BDUJWFΛ࣮ߦ !SFBE@SFQP.Z"QQ3FQP *'୲౰ ςετ࣌ʹ!SFQPΛม͑Δ༧ఆ &DUP3FQP୲౰ ಡΈࠐΈॻ͖ࠐΈΛ෼͚Δ

!SFQPHFU@BDUJWFΛ࣮ߦ !SFQP&DUP6TFS3FQP &DUP6TFS3FQPϞδϡʔϧ HFU@BDUJWFؔ਺Ͱ !SFBE@SFQPHFU@BDUJWFΛ࣮ߦ !SFBE@SFQP.Z"QQ3FQP *'୲౰ ςετ࣌ʹ!SFQPΛม͑Δ༧ఆ &DUP3FQP୲౰ ಡΈࠐΈॻ͖ࠐΈΛ෼͚Δ ߨٛϊʔτ ɹ&DUP6TFS3FQP͸&DUPʹґଘ͢Δ ɹ!SFBE@SFQP͸ઃఆϑΝΠϧ͔Βऔಘ͢Δ ɹεϥΠυʹ͸ؚΊ͍ͯͳ͍͕!XSJUF@SFQP΋͋Δ

$PQZSJHIU $ HVNJ*OD"MM3JHIUT3FTFSWFE ؔ਺ܕͱ00 (https://groups.google.com/forum/m/#!topic/elixir-lang-talk/Ib11890jfmY) ࠞઢ͢Δؔ਺ܕͱ00 &DUPΛϦϙδτϦύλʔϯͰந৅Խ͢ΔΞΠσΞ +PTÉ͞Μ લͷݴޠͰ͸ ͦͷந৅ԽඞཁͩͬͨΜͰ͠ΐʁࠓ͸ඞཁͳ͍Α
Ͳ͏ͯ͠΋ඞཁͳΒ ςετ࣌ʹ%#࣮૷ͷೖΕସ͑͸ࢭΊͯ *'ʹͳ͍ͬͯΔؔ਺Λِ૷͠ͳΑ લʹهࣄॻ͍͔ͨΒࢀরͯ͠ IUUQCMPHQMBUBGPSNBUFDDPNCSNPDLTBOEFYQMJDJUDPOUSBDUT

$PQZSJHIU $ HVNJ*OD"MM3JHIUT3FTFSWFE ؔ਺ܕͱ00 (https://groups.google.com/forum/m/#!topic/elixir-lang-talk/Ib11890jfmY) ࠞઢ͢Δؔ਺ܕͱ00 &DUPΛϦϙδτϦύλʔϯͰந৅Խ͢ΔΞΠσΞ ͍΍ ͦͷوํͷهࣄ͔Β!SFQPͷண૝ΛಘͨΜͩΑ ͦΕʹ
ࠜຊΛೖΕସ͑ͨΒมߋҰճͰࡁΉͷʹ *'ؔ਺Λม͑ΔͳΒશ෦ͷϞδϡʔϧΛ ॻ͖׵͑ͯճΒͳ͍ͱ͍͚ͳ͍͡ΌΜ 00͞Μ

$PQZSJHIU $ HVNJ*OD"MM3JHIUT3FTFSWFE ؔ਺ܕͱ00 (https://groups.google.com/forum/m/#!topic/elixir-lang-talk/Ib11890jfmY) ࠞઢ͢Δؔ਺ܕͱ00 &DUPΛϦϙδτϦύλʔϯͰந৅Խ͢ΔΞΠσΞ +PTÉ͞Μ ຊ౰ʹೖΕସ͍͑ͨͳΒ ؔ਺Λِ૷͠ͳ͍͞
ͦ΋ͦ΋ ֎෦γεςϜ͸ख͕ಧ͔ͳ͍͔ΒϞοΫ͕ඞཁ͚ͩͲ ࣗ෼ͷखݩͷ%#Λ࢖ͬͨςετʹϞοΫ͸ෆཁͩΑ

$PQZSJHIU $ HVNJ*OD"MM3JHIUT3FTFSWFE ؔ਺ܕͱ00 (https://groups.google.com/forum/m/#!topic/elixir-lang-talk/Ib11890jfmY) ࠞઢ͢Δؔ਺ܕͱ00 &DUPΛϦϙδτϦύλʔϯͰந৅Խ͢ΔΞΠσΞ 00͞Μ Θ͔ͬͨΑʜ ΋͏ͪΐͬͱγϯϓϧʹߟ͑௚ͯ͠ΈΔͶ

ߨٛϊʔτ ɹ&DUP͸෭࡞༻Λ3FQPʹू໿͓ͯ͠Γ ෭࡞༻ͷͳ͍ DIBOHFTFUͱRVFSZʹରͯ͠"TTFSU͢Δํ๏΋બ୒Ͱ͖Δ ɹ͔͠͠ Ұҙ੍໿ͷςετͳͲΛߟྀ͠ ίϯςφΛ༻͍ͯ%#ͳ ͲΛىಈ͠ ςετͨ͠ํ͕Α͍

ߨٛϊʔτ ɹ%#࣮૷ΛೖΕସ͑Δ΄Ͳͷந৅Խ͸ෆཁ͕ͩ SFBEXSJUF 3FQPͷ'BDBEF3FQPͷଘࡏ͸൱ఆ͞Ε͍ͯͳ͍ IUUQTKNQ0WDYV

$PQZSJHIU $ HVNJ*OD"MM3JHIUT3FTFSWFE ؔ਺ܕͱ00 ࠞઢ͢Δؔ਺ܕͱ00

$PQZSJHIU $ HVNJ*OD"MM3JHIUT3FTFSWFE ؔ਺ܕͱ00 ࠞઢ͢Δؔ਺ܕͱ00 ϓϩτίϧͱϏϔΠϏΞͷࠞಉ IUUQTFMJYJSGPSVNDPNUCFIBWJPVSTQSPUPDPMT

$PQZSJHIU $ HVNJ*OD"MM3JHIUT3FTFSWFE ؔ਺ܕͱ00 ࠞઢ͢Δؔ਺ܕͱ00 ϓϩτίϧͱϏϔΠϏΞͷࠞಉ IUUQTFMJYJSGPSVNDPNUCFIBWJPVSTQSPUPDPMT ߨٛϊʔτ ɹແବͳந৅ԽΛߦͬͯ͠·͏ฐ֐Ҏ֎ʹ΋ ͜Μͳฐ֐΋͋Δ
ɹ00͕ಘҙͳ΄ͲؕΔ

$PQZSJHIU $ HVNJ*OD"MM3JHIUT3FTFSWFE trait HasMessage { // defprotocol, defmodule def
message():String // @callback def puts(): Unit = println(this.message()) } class A extends HasMessage { // defimpl, defmodule def message() = "I am A.” // @impl } class B extends HasMessage { def message() = "I am B." } object Test { def main(args: Array[String]): Unit = { call_puts(new A) call_puts(new B) } def call_puts(has_message: HasMessage): Unit = has_message.puts() // protocol? behaviour? } ؔ਺ܕͱ00

$PQZSJHIU $ HVNJ*OD"MM3JHIUT3FTFSWFE trait HasMessage { // defprotocol, defmodule def
message():String // @callback def puts(): Unit = println(this.message()) } class A extends HasMessage { // defimpl, defmodule def message() = "I am A.” // @impl } class B extends HasMessage { def message() = "I am B." } object Test { def main(args: Array[String]): Unit = { call_puts(new A) call_puts(new B) } def call_puts(has_message: HasMessage): Unit = has_message.puts() // protocol? behaviour? } ؔ਺ܕͱ00 ߨٛϊʔτ ɹωλ ɹ4DBMBͷ5SBJUͷྫࣔʹ &MJYJSͳΒʁͱ͍͏ίϝϯτೖΕͨ ɹ5SBJUͳͲͷ஌͕ࣝ͋Δͱ ϓϩτίϧ΍ϏϔΠϏΞ͸ ͍ͭ Ͳ ͜Ͱ࢖͏ͷ͔ʁͱ͍͏൑அ͕00ʹඥ෇͍ͯ͠·͏ͷ͕໰୊

$PQZSJHIU $ HVNJ*OD"MM3JHIUT3FTFSWFE ؔ਺ܕͱ00 ࠞઢ͢Δؔ਺ܕͱ00 ϓϩτίϧͱϏϔΠϏΞͷࠞಉ IUUQTFMJYJSGPSVNDPNUCFIBWJPVSTQSPUPDPMT ϓϩτίϧ͸σʔλ͕ओ໾ ϏϔΠϏΞ͸ؔ਺͕ओ໾

$PQZSJHIU $ HVNJ*OD"MM3JHIUT3FTFSWFE ؔ਺ܕͱ00 ࠞઢ͢Δؔ਺ܕͱ00 ϓϩτίϧͱϏϔΠϏΞͷࠞಉ IUUQTFMJYJSGPSVNDPNUCFIBWJPVSTQSPUPDPMT ϓϩτίϧ͸σʔλ͕ओ໾ ϏϔΠϏΞ͸ؔ਺͕ओ໾ ߨٛϊʔτ
ɹ&MJYJS͸ ϓϩτίϧͱϏϔΠϏΞͷఆ͕ٛϞδϡʔϧʹඥ෇͍ͯ ͍Δϓϩτίϧ͸σʔλʹ ϏϔΠϏΞ͸ؔ਺ʹඥ͚ͮͯߟ͑Δͱ Α͍

$PQZSJHIU $ HVNJ*OD"MM3JHIUT3FTFSWFE ϚΫϩ ϚΫϩ͸ߴػೳ

$PQZSJHIU $ HVNJ*OD"MM3JHIUT3FTFSWFE ϚΫϩ ϚΫϩ͸ݴޠ࡞ऀָ͕Λ͢Δػೳ ͋·Γʹ΋ڧྗ͗͢Δ ϚΫϩ͸ߴػೳ

$PQZSJHIU $ HVNJ*OD"MM3JHIUT3FTFSWFE ϚΫϩ ϚΫϩ͸ݴޠ࡞ऀָ͕Λ͢Δػೳ ͋·Γʹ΋ڧྗ͗͢Δ ϚΫϩ͸ߴػೳ IUUQTRJJUBDPNDPPMEBFNPOJUFNTDFE IUUQTRJJUBDPNDPPMEBFNPOJUFNTFEBFBB⒎CD ϚΫϩΛॻ͚ͳͯ͘΋ಡΊΔΑ͏ʹͳΖ͏
ͱ͍͏ࢼΈͷهࣄ

$PQZSJHIU $ HVNJ*OD"MM3JHIUT3FTFSWFE ϚΫϩ ϚΫϩ͸ݴޠ࡞ऀָ͕Λ͢Δػೳ ͋·Γʹ΋ڧྗ͗͢Δ ϚΫϩ͸ߴػೳ IUUQTRJJUBDPNDPPMEBFNPOJUFNTDFE IUUQTRJJUBDPNDPPMEBFNPOJUFNTFEBFBB⒎CD ϚΫϩΛॻ͚ͳͯ͘΋ಡΊΔΑ͏ʹͳΖ͏
ͱ͍͏ࢼΈͷهࣄ ߨٛϊʔτ ɹ&MJYJS͸ ͋ΒΏΔ΋ͷ͕ϚΫϩͰ࣮૷͞Ε͍ͯΔ ɹϚΫϩͷཧղ͸ 8FCγεςϜ։ൃʹ͓͍ͯ͸ඞਢͰ͸ͳ͍͕ ϚΫϩ͕ಡΊͳ͍ͱ ਖ਼͍͠ཧղʹ͕͔͔࣌ؒΔػೳ΋͋ΔͨΊ &MJYJSʹ׳Ε͔ͯΒ Ώͬ͘Γֶश͢ΔͱΑ͍

$PQZSJHIU $ HVNJ*OD"MM3JHIUT3FTFSWFE ·ͱΊ

$PQZSJHIU $ HVNJ*OD"MM3JHIUT3FTFSWFE ·ͱΊ 051͸ߴػೳ͕ͩஅࣺ཭͠Α͏

$PQZSJHIU $ HVNJ*OD"MM3JHIUT3FTFSWFE ·ͱΊ 051͸ߴػೳ͕ͩஅࣺ཭͠Α͏ ϞδϡʔϧͰઃܭ ந৅Խ ͢Δͳ ؔ਺த৺Ͱߟ͑Α͏

$PQZSJHIU $ HVNJ*OD"MM3JHIUT3FTFSWFE ·ͱΊ 051͸ߴػೳ͕ͩஅࣺ཭͠Α͏ ϞδϡʔϧͰઃܭ ந৅Խ ͢Δͳ ؔ਺த৺Ͱߟ͑Α͏ ߨٛϊʔτ
ɹຊ೔͸ ͝ਗ਼ௌ͋Γ͕ͱ͏͍͟͝·ͨ͠ ɹͥͻ &MJYJSΛࢼͯ͠Έ͍ͯͩ͘͞

私が愛する Elixir/Erlang の楽しさと辛さ

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