From: "avyy (Alexander Yunin)" <use.skills@...>
Date: 2013-04-02T23:21:49+09:00
Subject: [ruby-core:53895] [ruby-trunk - Bug #8205][Open] Regexp.union behavior and Regexp.try_convert


Issue #8205 has been reported by avyy (Alexander Yunin).

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Bug #8205: Regexp.union behavior and Regexp.try_convert
https://bugs.ruby-lang.org/issues/8205

Author: avyy (Alexander Yunin)
Status: Open
Priority: Low
Assignee: 
Category: 
Target version: 
ruby -v: 1.9.3p374


Hi! Why Regexp.union('/../') trying to convert string with directly call rb_check_regexp_type(arg) (re.c:3139) instead of rb_reg_s_try_convert (re.c:3122)? I think second variant would be more correct, and i would be able to rewrite Regexp.try_convert in my code for changing behavior as i need. 
For example: i have the code where was implemented String#to_regexp which breaks default behavior of Regexp.union and i got incorrect regexp. But i can't (for some reasons) to rewrite to_regexp method. Yes, stupid example, but it's real situation.


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