[ruby-trunk - Bug #10653] [Open] do-end block in ternary operator is syntax error

Issue #10653 has been reported by Shinta Koyanagi.


Bug #10653: do-end block in ternary operator is syntax error

  • Author: Shinta Koyanagi
  • Status: Open
  • Priority: Normal
  • Assignee: Yukihiro M.
  • Category: syntax
  • Target version:
  • ruby -v: ruby 2.2.0p0 (2014-12-25 revision 49005) [x86_64-darwin14]
  • Backport: 2.0.0: UNKNOWN, 2.1: UNKNOWN, 2.2: UNKNOWN

  • For example
ruby -v -e 'true ? 1.tap do |n| p n end : 0'
  • Result by 2.1.5
ruby 2.1.5p273 (2014-11-13 revision 48405) [x86_64-darwin14.0]
1
  • Result by 2.2.0
ruby 2.2.0p0 (2014-12-25 revision 49005) [x86_64-darwin14]
-e:1: syntax error, unexpected keyword_do_cond, expecting ':'
true ? 1.tap do |n| p n end : 0
               ^
-e:1: syntax error, unexpected tIDENTIFIER, expecting keyword_do or '{' 
or '('
true ? 1.tap do |n| p n end : 0
                       ^