Bug #5214: "not (true)" should not warn "(...) interpreted as grouped expression"

• Status: Closed
• Assignee: nobu (Nobuyoshi Nakada)
• Target version: -
• ruby -v: ruby 1.9.3dev (2011-08-21 revision 33020) [x86_64-darwin11.1.0]

[drbrain (Eric Hodel)]

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"

[ko1 (Koichi Sasada)]

• Assignee set to nobu (Nobuyoshi Nakada)

[shyouhei (Shyouhei Urabe)]

• Status changed from Open to Assigned

[shugo (Shugo Maeda)]

• 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]