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jacegu/lambda_syntax.rb

Created March 14, 2013 14:18
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Weird behavior between ruby versions with ->{ } proc syntax. Any explanation?
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lambda_syntax.rb
#ruby 1.9.2-p320
BasicObject.new.instance_eval { ->{} }
#NoMethodError: undefined method `lambda' for #<BasicObject:0x007f97eb198590>
# from (irb):6:in `block in irb_binding'
# from (irb):6:in `instance_eval'
# from (irb):6
# from /Users/jacegu/.rbenv/versions/1.9.2-p320/bin/irb:12:in `<main>'
#ruby 1.9.3-p392
BasicObject.new.instance_eval { ->{} }
=> #<Proc:0x007f9f398ed7c8@(irb):1 (lambda)>
@gpg0
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gpg0 commented Mar 14, 2013

https://bugs.ruby-lang.org/issues/5966

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