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  1. require 'ipaddr'
  2. IPAddr.new '0127.0.0.1'
Runtime error #stdin #stdout #stderr 0.02s 7188KB
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Standard input is empty
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Standard output is empty
stderr
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/usr/lib/ruby/2.5.0/ipaddr.rb:620:in `block in in_addr': zero-filled number in IPv4 address is ambiguous (IPAddr::InvalidAddressError)
	from /usr/lib/ruby/2.5.0/ipaddr.rb:618:in `each'
	from /usr/lib/ruby/2.5.0/ipaddr.rb:618:in `inject'
	from /usr/lib/ruby/2.5.0/ipaddr.rb:618:in `in_addr'
	from /usr/lib/ruby/2.5.0/ipaddr.rb:580:in `initialize'
	from prog.rb:2:in `new'
	from prog.rb:2:in `<main>'
https://ideone.com/H0ewsR
language:
Ruby (ruby 2.5.5)
created:
3 years ago
visibility:
public

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