Add document for (Proc|Method)#(<<|>>) since Ruby 2.6 #2282
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pocke
commented
Jun 8, 2020
| Hello, Ruby! | ||
| TEXT | ||
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| pipeline = proc { |fname| File.read(fname) } >> WordScanner >> method(:p) |
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多少見た目がかっこ悪いですが、Proc#>>が呼ばれるように、わざと File.method(:read)ではなく、procを作っています。
pocke
commented
Jun 8, 2020
| pipeline.call('testfile') # => ["Hello", "World", "Hello", "Ruby"] | ||
| #@end | ||
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| @see [[m:Proc#<<]], [[m:Proc#>>]] |
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本文中に Method#>>へのリンクはあるので、see alsoには Procへのリンクだけを足しています。これは他のメソッドも同様です。
see also にも足したほうが良ければ教えてください
pocke
commented
Jun 8, 2020
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| # (3 + 3) * (3 + 3) | ||
| p (method(:f) << method(:g)).call(3) # => 36 |
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このへん、RDocだと2を渡しているのですが、2という数字はx * xやx + xで暗に出てきてややこしいので、代わりに3を渡してみました。
znz
approved these changes
Jun 9, 2020
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#1977
Ruby 2.6 から追加された、
Proc#>>,Proc#<<,Method#>>,Method#<<のドキュメントを追加します。説明文やサンプルコードは、RDocのものをベースにしています。
https://docs.ruby-lang.org/en/2.7.0/Proc.html#method-i-3E-3E