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caius/to_int.rb

Created November 6, 2018 17:41
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to_int.rb
module ToInt
def to_int
return unless self
i = to_i
i if self == i.to_s
end
end
String.include(ToInt)
NilClass.include(ToInt)
"5".to_int # => 5
nil.to_int # => nil
"one".to_int # => nil
"something 5 else".to_int # => nil
"50 green apples".to_int # => nil
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