Class: Object

Inherits:
BasicObject
Defined in:
lib/true.rb

Overview

veerasundaravel.wordpress.com/2010/10/26/string-to-boolean-conversion-in-ruby/

Instance Method Summary collapse

Instance Method Details

#true? ⇒ Boolean

to boolean

Returns:

  • (Boolean)

Raises:

  • (ArgumentError) 


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# File 'lib/true.rb', line 3

def true? # to boolean
  return false if self.nil?
  return true if self == true || self =~ (/(true|t|yes|y|1)$/i)
  return false if self == false || self.nil? || self =~ (/(false|f|no|n|0)$/i)
  raise ArgumentError.new('invalid value for Boolean: "#{self}"')
end