Procs lack __line__ (and __file__) property
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Key: JRUBY-5893
URL: https://jira.codehaus.org/browse/JRUBY-5893
Project: JRuby
Issue Type: New Feature
Components: Core Classes/Modules, Ruby 1.8.7
Affects Versions: JRuby 1.6.1, JRuby 1.5.6
Reporter: Ivo Wever
Priority: Minor
In MRI, procs have properties __line__ and __file__. The method call
lambda {}.__line__
succeeds. In JRuby, this call fails with
NoMethodError: undefined method `__line__' for #<Proc:...
The linenumber is available in the class, as it is shown in inspect:
"#<Proc:0x56f449b8@(irb):3>"
I've browsed through the sources a bit, but didn't see where it was appended.
Rubinius doesn't implement __line__ either BTW.
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