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
旅行プランAIエージェント開発の裏側
ippo012
2
930
Laravel Boost 超入門
fire_arlo
3
220
Putting The Genie in the Bottle - A Crash Course on running LLMs on Android
iurysza
0
140
AI Coding Agentのセキュリティリスク:PRの自己承認とメルカリの対策
s3h
0
230
実用的なGOCACHEPROG実装をするために / golang.tokyo #40
mazrean
1
290
概念モデル→論理モデルで気をつけていること
sunnyone
3
300
CloudflareのChat Agent Starter Kitで簡単!AIチャットボット構築
syumai
2
510
Flutter with Dart MCP: All You Need - 박제창 2025 I/O Extended Busan
itsmedreamwalker
0
150
Kiroで始めるAI-DLC
kaonash
2
620
2025 年のコーディングエージェントの現在地とエンジニアの仕事の変化について
azukiazusa1
24
12k
JSONataを使ってみよう Step Functionsが楽しくなる実践テクニック #devio2025
dafujii
1
630
Cache Me If You Can
ryunen344
2
3k
Featured
See All Featured
How GitHub (no longer) Works
holman
315
140k
Fantastic passwords and where to find them - at NoRuKo
philnash
52
3.4k
The Myth of the Modular Monolith - Day 2 Keynote - Rails World 2024
eileencodes
26
3k
jQuery: Nuts, Bolts and Bling
dougneiner
64
7.9k
Let's Do A Bunch of Simple Stuff to Make Websites Faster
chriscoyier
507
140k
Why You Should Never Use an ORM
jnunemaker
PRO
59
9.5k
CSS Pre-Processors: Stylus, Less & Sass
bermonpainter
358
30k
Rails Girls Zürich Keynote
gr2m
95
14k
BBQ
matthewcrist
89
9.8k
[RailsConf 2023] Rails as a piece of cake
palkan
57
5.8k
RailsConf & Balkan Ruby 2019: The Past, Present, and Future of Rails at GitHub
eileencodes
139
34k
GraphQLの誤解/rethinking-graphql
sonatard
72
11k
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