method_missing magic - emulating Groovy's "it" in Ruby

2 Oct, 2006 Inspired variously by: Symbol#to_proc Nat Pryce's articles on Higher-Order Messaging in Ruby Groovy's implied "it" closure-parameter I've cooked up a shortcut for generating simple blocks, meaning that rather than people.select { |x| x.name.length > 10 } I can write such things as: people.select(&its.name.length > 10) Disclaimer: I think this is more "cool hack" than useful tool; it's

[Gimite]

C++のboost::lambdaのRuby版みたいな。

[odz]

method_missing を使って Groovy の it を模倣

[yzatkatamayu]

よくできてるなぁ

[secondlife]

ほー

[taninsw]

method_missingの面白い利用例は色々ありそう

[oto-oto-oto]

people.select(&its.name.length > 10)

[yugui]

groovyのitみたいなやつを巧みに実装。

[macks]

面白い。

[talo]

Symbol#to_procよりカッコイイ

[walf443]

GroovyのitをRubyで実現する方法。