From: bugmenot bugmenot <redmine@...>
Date: 2009-07-05T18:21:36+09:00
Subject: [ruby-core:24148] [Bug #1730] Returning inside for loop inside lambda crashes

Bug #1730: Returning inside for loop inside lambda crashes
http://redmine.ruby-lang.org/issues/show/1730

Author: bugmenot bugmenot
Status: Open, Priority: Normal
ruby -v: ruby 1.8.7 (2009-06-12 patchlevel 174) [i686-linux]

This code:

foo = lambda do
  for j in 1..2
    return
  end
end
foo.call

crashes with a LocalJumpError:

test.rb:3: unexpected return (LocalJumpError)
    from test.rb:2:in `each'
    from test.rb:2
    from test.rb:6:in `call'
    from test.rb:6

Why does it do this? However, it seems to run fine on Ruby 1.9.

It's not just an issue of returning inside a lambda; without the for-loop it runs fine:

foo = lambda do
  return
end
foo.call


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