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Bug #5214

closed

"not (true)" should not warn "(...) interpreted as grouped expression"

Added by drbrain (Eric Hodel) over 12 years ago. Updated over 11 years ago.

Status:
Closed
Target version:
-
ruby -v:
ruby 1.9.3dev (2011-08-21 revision 33020) [x86_64-darwin11.1.0]
Backport:
[ruby-core:39050]

Description

If you have a space between "not" and "(" ruby will warn.

Since it is normal to use "not" with a grouped expression ruby should not warn

The workaround is to remove the space or change to "!" instead of "not"


Related issues 1 (0 open1 closed)

Has duplicate Ruby master - Bug #6674: 1.9 parser regression: not ()Closedshugo (Shugo Maeda)06/30/2012Actions

Updated by ko1 (Koichi Sasada) about 12 years ago

  • Assignee set to nobu (Nobuyoshi Nakada)
Actions #2

Updated by shyouhei (Shyouhei Urabe) about 12 years ago

  • Status changed from Open to Assigned
Actions #3

Updated by shugo (Shugo Maeda) over 11 years ago

  • Status changed from Assigned to Closed
  • % Done changed from 0 to 100

This issue was solved with changeset r36434.
Eric, thank you for reporting this issue.
Your contribution to Ruby is greatly appreciated.
May Ruby be with you.


  • parse.y (primary): allow an empty grouped expression as the
    operand of the not operator (e.g., not ()).
    [ruby-core:45976] [Bug #6674]

  • parse.y (parser_yylex): show no warning for a grouped expression
    as the operand of the not operator (e.g., not (a)) or as an
    argument of a method call without parentheses (e.g., foo (a)).
    [ruby-core:39050] [Bug #5214]

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