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
mixin実装の現状と課題
Search
Ryusuke SEKIYAMA
March 15, 2014
Programming
2
3k
mixin実装の現状と課題
第五回闇PHP勉強会のミックスインについてLTしたスライドです
Ryusuke SEKIYAMA
March 15, 2014
Tweet
Share
More Decks by Ryusuke SEKIYAMA
See All by Ryusuke SEKIYAMA
php_mecabをFFIで実装してみよう
rsky
0
700
Other Decks in Programming
See All in Programming
奥深くて厄介な「改行」と仲良くなる20分
oguemon
1
560
AIと私たちの学習の変化を考える - Claude Codeの学習モードを例に
azukiazusa1
11
4.4k
AIを活用し、今後に備えるための技術知識 / Basic Knowledge to Utilize AI
kishida
22
5.9k
MCPでVibe Working。そして、結局はContext Eng(略)/ Working with Vibe on MCP And Context Eng
rkaga
5
2.3k
The Past, Present, and Future of Enterprise Java with ASF in the Middle
ivargrimstad
0
170
アプリの "かわいい" を支えるアニメーションツールRiveについて
uetyo
0
280
アルテニア コンサル/ITエンジニア向け 採用ピッチ資料
altenir
0
110
250830 IaCの選定~AWS SAMのLambdaをECSに乗り換えたときの備忘録~
east_takumi
0
400
Ruby Parser progress report 2025
yui_knk
1
460
概念モデル→論理モデルで気をつけていること
sunnyone
3
300
Reading Rails 1.0 Source Code
okuramasafumi
0
250
Compose Multiplatform × AI で作る、次世代アプリ開発支援ツールの設計と実装
thagikura
0
170
Featured
See All Featured
Side Projects
sachag
455
43k
Building a Scalable Design System with Sketch
lauravandoore
462
33k
The Web Performance Landscape in 2024 [PerfNow 2024]
tammyeverts
9
810
jQuery: Nuts, Bolts and Bling
dougneiner
64
7.9k
Build your cross-platform service in a week with App Engine
jlugia
231
18k
Why Our Code Smells
bkeepers
PRO
339
57k
How to Create Impact in a Changing Tech Landscape [PerfNow 2023]
tammyeverts
53
2.9k
Building Adaptive Systems
keathley
43
2.7k
Reflections from 52 weeks, 52 projects
jeffersonlam
352
21k
JavaScript: Past, Present, and Future - NDC Porto 2020
reverentgeek
52
5.6k
StorybookのUI Testing Handbookを読んだ
zakiyama
31
6.1k
Visualization
eitanlees
148
16k
Transcript
mixin実装�の現状と課題 @rsky 2014-03-15 第五回闇PHP勉強会
PHP (>= 5.4) ͰͷTraits TraitͰܕʢΫϥεͷܧ ঝؔʣʹӨڹΛ༩͑ ͣʹػೳΛ࠶ར༻Ͱ͖ ΔΑ͏ʹͳͬͨɻ Ϋϥεએݴ࣌ʹ੩తʹ هड़͢Δɻ
<?php trait FooFighter { function foo() { echo “FOO\n”; } } ! class A { use FooFighter; } ! class B { use FooFighter; }
ҰํɺScalaͰ ଞͷΫϥεΛܧঝ͠ͳ͍ ͱ͖extendsͰϛο ΫεΠϯɻ ଞͷΫϥεΛܧঝ͢Δͱ ͖withͰϛοΫεΠ ϯɻ ΠϯελϯεԽ࣌ʹϛο ΫεΠϯͰ͖Δɻ trait
FooFighter { def foo = println(“FOO”) } ! class A extends FooFighter ! class B extends C with FooFighter ! val c = new C() with FooFighter
lΠϯελϯεԽ࣌ʹϛοΫεΠϯͰ͖Δz
1)1Ͱ͜ΕΓ͍ͨʂ
Ͱ͍͠ΜͰ͠ΐ͏
Ͱ͖ͨʂ http://blog.r-sky.jp/post/38388457154/qiq-reborn https://github.com/rsky/php-src/tree/scala-like-mixin
Ͱ͖ͨ͜ͱ ΠϯελϯεԽ࣌ʹ use Traitͯ͠Ϋϥε Λੜ͢Δߏจɻ Ϋϥε໊ͷΘΓʹม ར༻Մೳɻ →factoryύλʔϯ͖ <?php trait
FooFighter { function foo() { echo “FOO\n”; } } ! class A {} ! (new A use FooFighter)- >foo(); ! $x = ‘FooFighter’; (new A use $x)->foo();
Ͱ͖͍ͯͳ͍͜ͱ Precedenceʢ༏ઌॱҐ ผ໊ͷఆٛʣ <?php trait FooFighter { function foo() {
echo “FOO\n”; } } ! class A {} ! (new A use FooFighter { FooFighter::foo as bar; })->bar();
Πέͯͳ͍͜ͱ new Class use (Trait1, Trait2, …) ($arg1, $arg2, …)
ܗࣜͷͨΊɺτϨΠτͱί ϯετϥΫλҾ͕ฆΒΘ͍͠ɻ →࠷৽൛ͰτϨΠτ͕1ͭͰׅހඞਢʹͨ͠ <?php $ab = new A use B ($arg1, $arg2); $abc = new A use (A, B) ($arg1, $arg2);
͜͏͍ͨ͠ʂ useεςʔτϝϯτΛίϯετϥΫλҾͷޙʹɻ Precedenceॻ͚Δɻ PrecedenceͰมͰΫϥεղܾͰ͖Δɻ <?php $ab = new A ($arg1,
$arg2) use B; $abc = new A ($arg1, $arg2) use ($b, $c) { $b::foo insteadof $a; $c::foo as bar; };
͜Ε͋Γʁ τϨΠτͷϦετΛׅހͰׅ͍ͬͯΔͷߏจ্ ͷ༏ઌॱҐͷͨΊͳͷͰɺScalaͷΑ͏ʹෳͷ useεςʔτϝϯτΛྻڍ͢Δख͋Δɻ <?php $abc = new A ($arg1,
$arg2) use B use C;
ٕज़త՝ yaccతʹໃ६͕ͳ͍จ๏ఆٛ·Ͱ ʢखݩͷόʔδϣϯͰʣͰ͖͍ͯΔɻ ҾϦετ͕࢝·ΔΑΓલʹΠϯελϯεԽ͢Δ Ϋϥε͕֬ఆ͍ͯ͠ͳ͍ͱ͍͚ͳ੍͍ݶ͕͋Δɻ <?php $abc = new A
($arg1, $arg2) use (B, C);
ղܾҊA ຊ࣭తղܾʁ ਖ਼ɺ͍͠ Zend EngineΛ৽͍͠จ๏ͷͨΊʹΰϦΰϦॻ͖͑Δ
ղܾҊB new A($arg) use(B, C) ↓ new A use (B,
C) ($arg) ϓϦϓϩηοαΛ͔·ͯ͠ਓʹ͍͞͠ίʔυΛ! ػցʹ͍͞͠ίʔυʹܗ͔ͯ͠ΒίϯύΠϧ ݸਓతʹͬͪ͜ͷํ͕Έ PHP: Hypertext Preprocessor
ղܾҊC (ABં?) ίϯύΠϥΛ͍ͬͯ͘͡op_arrayΛฒͼସ͑Δ ίʔυ্Ͱ͜͏ new A($arg) use(B, C) ίϯύΠϧ͞ΕͨόΠτίʔυͰ͜ΕͱՁ new
A use(B, C)($arg)
୭͔͓ئ͍͠·͢ʂ