From: "ko1 (Koichi Sasada)" <redmine@...>
Date: 2012-10-27T05:56:19+09:00
Subject: [ruby-dev:46279] [ruby-trunk - Feature #4299] no warning: found = in conditional, should be ==


Issue #4299 has been updated by ko1 (Koichi Sasada).

Target version changed from 2.0.0 to next minor

放置されているようなので next minor に送っておきます．
----------------------------------------
Feature #4299: no warning: found = in conditional, should be ==
https://bugs.ruby-lang.org/issues/4299#change-31656

Author: znz (Kazuhiro NISHIYAMA)
Status: Feedback
Priority: Normal
Assignee: nobu (Nobuyoshi Nakada)
Category: core
Target version: next minor


=begin
 http://d.hatena.ne.jp/nagachika/20110119/ruby_trunk_changes_30595_30603
 で知ったのですが、右辺の種類によっては「warning: found = in conditional, should be ==」が出ないことがあるようです。
 
 % ruby-trunk -ve '!_=""'
 ruby 1.9.3dev (2011-01-20 trunk 30614) [i686-linux]
 -e:1: warning: found = in conditional, should be ==
 % ruby-trunk -ve '!_=1' 
 ruby 1.9.3dev (2011-01-20 trunk 30614) [i686-linux]
 -e:1: warning: found = in conditional, should be ==
 % ruby-trunk -ve '!_={}'    
 ruby 1.9.3dev (2011-01-20 trunk 30614) [i686-linux]
 % ruby-trunk -ve '!_=[]'
 ruby 1.9.3dev (2011-01-20 trunk 30614) [i686-linux]
 %
=end



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