Upgrade to Pro
— share decks privately, control downloads, hide ads and more …
Speaker Deck
Features
Speaker Deck
PRO
Sign in
Sign up for free
Search
Search
Underscore.m + Asterism
Search
Robert Böhnke
August 21, 2013
Programming
4
1.2k
Underscore.m + Asterism
My talk on Underscore.m and Asterism for CocoaHeads Berlin
Robert Böhnke
August 21, 2013
Tweet
Share
More Decks by Robert Böhnke
See All by Robert Böhnke
Brooklyn iOS Developer Meetup February 2014
robb
8
3.1k
Cocoa Kucha Berlin 2013
robb
2
2.1k
ReactiveCocoa NSSpain
robb
18
2.4k
ReactiveCocoa
robb
19
2.7k
Super Mario Masterclass
robb
2
320
Tetris Masterclass
robb
0
530
Other Decks in Programming
See All in Programming
「待たせ上手」なスケルトンスクリーン、 そのUXの裏側
teamlab
PRO
0
530
How Android Uses Data Structures Behind The Scenes
l2hyunwoo
0
460
1から理解するWeb Push
dora1998
7
1.9k
テストコードはもう書かない:JetBrains AI Assistantに委ねる非同期処理のテスト自動設計・生成
makun
0
350
Namespace and Its Future
tagomoris
6
700
Laravel Boost 超入門
fire_arlo
3
220
旅行プランAIエージェント開発の裏側
ippo012
2
910
Zendeskのチケットを Amazon Bedrockで 解析した
ryokosuge
3
310
ProxyによるWindow間RPC機構の構築
syumai
3
1.2k
Performance for Conversion! 分散トレーシングでボトルネックを 特定せよ
inetand
0
890
Navigation 2 を 3 に移行する(予定)ためにやったこと
yokomii
0
290
複雑なドメインに挑む.pdf
yukisakai1225
5
1.2k
Featured
See All Featured
Practical Tips for Bootstrapping Information Extraction Pipelines
honnibal
PRO
23
1.4k
Optimising Largest Contentful Paint
csswizardry
37
3.4k
Typedesign – Prime Four
hannesfritz
42
2.8k
For a Future-Friendly Web
brad_frost
180
9.9k
Git: the NoSQL Database
bkeepers
PRO
431
66k
[RailsConf 2023] Rails as a piece of cake
palkan
57
5.8k
Visualizing Your Data: Incorporating Mongo into Loggly Infrastructure
mongodb
48
9.7k
Producing Creativity
orderedlist
PRO
347
40k
A better future with KSS
kneath
239
17k
A Tale of Four Properties
chriscoyier
160
23k
[Rails World 2023 - Day 1 Closing Keynote] - The Magic of Rails
eileencodes
36
2.5k
個人開発の失敗を避けるイケてる考え方 / tips for indie hackers
panda_program
113
20k
Transcript
[email protected]
github.com/robb
Let's talk about
Let's talk about Objective-C
Let's talk about Objective-C talk about
[ ]
transitionFromViewController: toViewController: duration: options: animations: completion:
videoComposition: shouldContinueValidatingAfter FindingInvalidTrackIDInInstruction: layerInstruction: asset:
predicateWithLeftExpression: rightExpression: modifier: type: helpMe: iAmTrappedInAMethodFactory: options:
//
new Grapefruit(0, 10);
[CHGrapefruit grapefruitWithSeeds:0 tastiness:10];
duh!
[NSDictionary dictionaryWithObjectsAndKeys:value, key, nil];
@{ key: value }
enumerateObjectsUsingBlock:
enumerateKeysAndObjectsUsingBlock:
each?
map?
reduce?
filter?
Underscore.m
inspired by underscore.js
not trying to turn Objective-C into JavaScript
not trying to turn Objective-C into JavaScript though it looks
kinda like it…
DSL for data manipulation
Underscore.wrap(array) .filter(^(id obj) { return [obj tastiness] > 8; })
.map(^(id obj) { return [obj juice]; }) .unwrap;
wtf?
@property USDictWrapper *(^map)(USMapBlock block);
foo.method1().method2();
// Nocilla stubRequest(@"GET", @"https://api.example.com") .withHeader(@"Accept", @"application/json");
// Expecta expect(CocoaHeads).to.beFun();
but
- (NSDictionary *)us_map:(USMapBlock block);
[[dictionary us_map:^(id key, id value) { return …; }] us_filter:^(id
object) { return …; }];
Check out BlocksKit
DSL
github.com/robb/Underscore.m
Asterism
Underscore.dictWrap(dictionary).map(block).unwrap; Underscore.arrayWrap(array).map(block).unwrap;
Underscore.dictMap(dictionary, block); Underscore.arrayMap(array, block);
Underscore.dictEach(dictionary, block); Underscore.arrayEach(array, block);
Asterism
__attribute__((overloadable))
ASTEach(NSArray *array, void(^block)(id obj)); ASTEach(NSArray *array, void(^block)(id obj, NSUInteger idx));
ASTEach(NSSet *set, void(^block)(id obj)); …
github.com/robb/Underscore.m github.com/robb/Asterism
thanks!