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wjessop/til.rb

Created April 27, 2018 21:57
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til.rb
irb(main):006:0> def foo(a, b = "contains #{a}")
irb(main):007:1> puts a
irb(main):008:1> puts b
irb(main):009:1> end
=> :foo
irb(main):010:0> foo("things")
things
contains things
=> nil
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