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Bug #10184

closed

irb terminates with no method error

Added by sawa (Tsuyoshi Sawada) almost 11 years ago. Updated almost 6 years ago.

Status:
Closed
Assignee:
-
Target version:
-
ruby -v:
2.1.2
[ruby-core:64658]

Description

When I input the following lines in irb, the irb terminates.

$ irb
irb(main):001:0> def !; end
=> :!
irb(main):002:0> !
/usr/local/lib/ruby/2.1.0/irb/input-method.rb:153:in `gets': private method `!' called for false:FalseClass (NoMethodError)
...
$

A corresponding question is posted on StackOverflow at http://stackoverflow.com/questions/25572126/irb-terminates-with-no-method-error/25572313#25572313.

Updated by shevegen (Robert A. Heiler) almost 11 years ago

Indeed. I have a similar error but different:

def !; end  # => :!

/usr/lib/ruby/2.1.0/irb/init.rb:250:in rc_file': private method !' called for #Proc:0x00000001a19338@/usr/lib/ruby/2.1.0/irb/init.rb:273 (NoMethodError)

Somehow a Proc is called in my case. This happens when I type an empty newline after inputting the above code.

Updated by jeremyevans0 (Jeremy Evans) almost 6 years ago

  • Status changed from Open to Closed

This was fixed between Ruby 2.2 and 2.3:

$ irb22 
irb(main):001:0> def !; end
=> :!
irb(main):002:0> !
/usr/local/lib/ruby/2.2/irb/input-method.rb:151:in `gets': private method `!' called for false:FalseClass (NoMethodError)
        from /usr/local/lib/ruby/2.2/irb.rb:469:in `block (2 levels) in eval_input'
        from /usr/local/lib/ruby/2.2/irb.rb:623:in `signal_status'
        from /usr/local/lib/ruby/2.2/irb.rb:468:in `block in eval_input'
        from /usr/local/lib/ruby/2.2/irb/ruby-lex.rb:188:in `call'
        from /usr/local/lib/ruby/2.2/irb/ruby-lex.rb:188:in `buf_input'
        from /usr/local/lib/ruby/2.2/irb/ruby-lex.rb:103:in `getc'
        from /usr/local/lib/ruby/2.2/irb/slex.rb:205:in `match_io'
        from /usr/local/lib/ruby/2.2/irb/slex.rb:75:in `match'
        from /usr/local/lib/ruby/2.2/irb/ruby-lex.rb:282:in `token'
        from /usr/local/lib/ruby/2.2/irb/ruby-lex.rb:264:in `lex'
        from /usr/local/lib/ruby/2.2/irb/ruby-lex.rb:235:in `block (2 levels) in each_top_level_statement'
        from /usr/local/lib/ruby/2.2/irb/ruby-lex.rb:231:in `loop'
        from /usr/local/lib/ruby/2.2/irb/ruby-lex.rb:231:in `block in each_top_level_statement'
        from /usr/local/lib/ruby/2.2/irb/ruby-lex.rb:230:in `catch'
        from /usr/local/lib/ruby/2.2/irb/ruby-lex.rb:230:in `each_top_level_statement'
        from /usr/local/lib/ruby/2.2/irb.rb:485:in `eval_input'
        from /usr/local/lib/ruby/2.2/irb.rb:395:in `block in start'
        from /usr/local/lib/ruby/2.2/irb.rb:394:in `catch'
        from /usr/local/lib/ruby/2.2/irb.rb:394:in `start'
        from /usr/local/bin/irb22:11:in `<main>'

$ irb23 
irb(main):001:0> def !; end
=> :!
irb(main):002:0> !
irb(main):003:0* nil
irb(main):004:0> 
=> nil
irb(main):004:0>
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