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olauzon/ruby_wat.rb

Created May 11, 2012 19:40
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Ruby WAT
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ruby_wat.rb
# 1.8.7
[1, 2, 3].to_s
# => "123"
# 1.9.3p194
[1, 2, 3].to_s
# => "[1, 2, 3]" # WAT?
# `Array#to_s` is an alias to `Array#inspect`
[1, 2, 3].join.to_s
# => "123"
[nil, nil, nil].to_s
# => "[nil, nil, nil]"
[nil, nil, nil].inspect
# => "[nil, nil, nil]"
nil.to_s
# => ""
nil.inspect
# => "nil"
# Can't expect `#inspect` and `#to_s` to behave identically
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