実践的な Reader Conditionals と Transit format

1SBDUJDBM 3FBEFS$POEJUJPOBMT 5SBOTJUGPSNBU -JTQ.FFU6QQSFTFOUFECZ4IJCVZBMJTQ  !@BZBUP@Q

͋΍ͽʔ $MPKVSFŧŔŕŪƂŜſŵƃ ීஈ͸$MPKVSFũƄŝſŵƃͱ࢓ࣄͯ͠Δ $MPKVSFŜŝŦŘŵƃ୳ͯ͠·͢ $ZCP[V4UBSUVQT *OD

ࠓ೔͢Δ࿩ 3FBEFS$POEJUJPOBMTͱ5SBOTJUGPSNBU  ͷݱ࣮తͳ׆༻ํ๏ʹ͍ͭͯ

&13FBEFS$POEJUJPOBMT ͋Δ೔ͷ͜ͱʜ ๻ʮ3FBEFS$POEJUJPOBMTศརͰ͢ΑͶʔʯ "MJDFʮͲ͏͍͏ͱ͖ʹ࢖͏ΜͰ͔͢ʁʯ ๻ʮ͑ʯ "MJDFʮόϦσʔγϣϯͱ͔ʁʯ

3FBEFS$POEJUJPOBMT ʹ͍ͭͯ

3FBEFS$POEJUJPOBMTͱ͸ $MPKVSF͔Βͷػೳ 3FBEFSTZOUBY ! Λ࢖ͬͯ  ϓϥοτϑΥʔϜґଘΛ੾Γग़͢͜ͱ͕ग़དྷΔ ֦ுࢠΛDMKDͱ͢Δ͜ͱͰ  ֤ϓϥοτϑΥʔϜ͔Βݺͼग़ͤΔ
ओʹϥΠϒϥϦ։ൃͰॏๅ͢Δ  CJEJ DMKTBKBY FUD

(ns example.core #?(:clj (:import [java.net URLEncoder]))) (defn url-encode [string] (some->
string str #?(:clj (URLEncoder/encode "UTF-8") :cljs (js/encodeURIComponent)) (.replace "+" "%20"))) 3FBEFS$POEJUJPOBMT

Ͳ͏͍͏ͱ͖ʹ࢖͑Δʁ ϧʔτఆٛͷڞ༗ αʔόʔαΠυϨϯμϦϯάGPS3FBHFOU ϞσϧͷόϦσʔγϣϯݕࠪ

&15SBOTJUGPSNBU ͋Δ೔ͷ͜ͱ ๻ʮ5SBOTJUGPSNBU࠷ߴͰ͢ΑͶʂʯ #PCʮ+40/ͱԿ͕ҧ͏ΜͰ͔͢ʁʯ ๻ʮ͑ʯ #PCʮ+40/Ͱྑ͘ͳ͍Ͱ͢ʁʯ

5SBOTJUGPSNBU ʹ͍ͭͯ

5SBOTJUGPSNBUͱ͸ $PHOJUFDU͕ఏএ͢ΔσʔλϑΥʔϚοτ ϓϩάϥϜͱϓϩάϥϜͷίϛϡχέʔγϣϯ  ʹϑΥʔΧε͍ͯ͠Δ ֦ுੑ͕ߴ͘ɺϢʔβʔఆٛܕΛอ࣋ग़དྷΔ +40/ .FTTBHF1BDLͱޓ׵ੑ͕͋Δ 3FBEFS$POEJUJPOBMTͱ૬ੑ͕ྑ͍

(ns example.core (:require [cognitect.transit :as transit]) (:import [java.io ByteArrayInputStream ByteArrayOutputStream]))
(def writer (transit/writer out :json)) (transit/write writer [{:name "ayato_p" :age 24} {:name "alea" :age 24}]) (prn (.toString out)) ;; => "[[\"^ \",\"~:name\",\"ayato_p\",\"~:age\",24], [\"^ \",\"^0\",\"alea\",\"^1\",24]]" 5SBOTJUGPSNBU

Ͳ͏͍͏ͱ͖ʹ࢖͑Δʁ $MPKVSFͱ$MPKVSF4DSJQUؒͷ௨৴

·ͱΊ 3FBEFS$POEJUJPOBMT΍5SBOTJUGPSNBUศར $MPKVSF࠷ߴʂʂ

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実践的な Reader Conditionals と Transit format

実践的な Reader Conditionals と Transit format

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1SBDUJDBM 3FBEFS$POEJUJPOBMT 5SBOTJUGPSNBU -JTQ.FFU6QQSFTFOUFECZ4IJCVZBMJTQ  !@BZBUP@Q

͋΍ͽʔ $MPKVSFŧŔŕŪƂŜſŵƃ ීஈ͸$MPKVSFũƄŝſŵƃͱ࢓ࣄͯ͠Δ $MPKVSFŜŝŦŘŵƃ୳ͯ͠·͢ $ZCP[V4UBSUVQT *OD

ࠓ೔͢Δ࿩ 3FBEFS$POEJUJPOBMTͱ5SBOTJUGPSNBU  ͷݱ࣮తͳ׆༻ํ๏ʹ͍ͭͯ

&13FBEFS$POEJUJPOBMT ͋Δ೔ͷ͜ͱʜ ๻ʮ3FBEFS$POEJUJPOBMTศརͰ͢ΑͶʔʯ "MJDFʮͲ͏͍͏ͱ͖ʹ࢖͏ΜͰ͔͢ʁʯ ๻ʮ͑ʯ "MJDFʮόϦσʔγϣϯͱ͔ʁʯ

3FBEFS$POEJUJPOBMT ʹ͍ͭͯ

3FBEFS$POEJUJPOBMTͱ͸ $MPKVSF͔Βͷػೳ 3FBEFSTZOUBY ! Λ࢖ͬͯ  ϓϥοτϑΥʔϜґଘΛ੾Γग़͢͜ͱ͕ग़དྷΔ ֦ுࢠΛDMKDͱ͢Δ͜ͱͰ  ֤ϓϥοτϑΥʔϜ͔Βݺͼग़ͤΔ

(ns example.core #?(:clj (:import [java.net URLEncoder]))) (defn url-encode [string] (some->

Ͳ͏͍͏ͱ͖ʹ࢖͑Δʁ ϧʔτఆٛͷڞ༗ αʔόʔαΠυϨϯμϦϯάGPS3FBHFOU ϞσϧͷόϦσʔγϣϯݕࠪ

%&.0

&15SBOTJUGPSNBU ͋Δ೔ͷ͜ͱ ๻ʮ5SBOTJUGPSNBU࠷ߴͰ͢ΑͶʂʯ #PCʮ+40/ͱԿ͕ҧ͏ΜͰ͔͢ʁʯ ๻ʮ͑ʯ #PCʮ+40/Ͱྑ͘ͳ͍Ͱ͢ʁʯ

5SBOTJUGPSNBU ʹ͍ͭͯ

5SBOTJUGPSNBUͱ͸ $PHOJUFDU͕ఏএ͢ΔσʔλϑΥʔϚοτ ϓϩάϥϜͱϓϩάϥϜͷίϛϡχέʔγϣϯ  ʹϑΥʔΧε͍ͯ͠Δ ֦ுੑ͕ߴ͘ɺϢʔβʔఆٛܕΛอ࣋ग़དྷΔ +40/ .FTTBHF1BDLͱޓ׵ੑ͕͋Δ 3FBEFS$POEJUJPOBMTͱ૬ੑ͕ྑ͍

(ns example.core (:require [cognitect.transit :as transit]) (:import [java.io ByteArrayInputStream ByteArrayOutputStream]))

Ͳ͏͍͏ͱ͖ʹ࢖͑Δʁ $MPKVSFͱ$MPKVSF4DSJQUؒͷ௨৴

%&.0

·ͱΊ 3FBEFS$POEJUJPOBMT΍5SBOTJUGPSNBUศར $MPKVSF࠷ߴʂʂ

Enjoy Clojure