Forum: Ruby-dev [Rejected] Improvement of Symbol and Proc

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matz (Yukihiro Matsumoto) (Guest)
on 2012-10-30 00:46
(Received via mailing list)
Issue #4146 has been updated by matz (Yukihiro Matsumoto).

Status changed from Assigned to Rejected



Feature #4146: Improvement of Symbol and Proc

Author: nobu (Nobuyoshi Nakada)
Status: Rejected
Priority: Normal
Assignee: nobu (Nobuyoshi Nakada)
Category: core
Target version:

 現在Symbol#to_procで %w[12 45 32].map(&:to_i) のようなことはできますが、

   %w[12 45 32].map(&:to_i(9)).map(&:*(2)) #=> [22, 82, 58]
   %w[abc def ghi].map(&:[1])              #=> ["b", "e", "h"]
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