Module: Comparable

Included in:
Numeric, String, Time
Defined in:
opal/opal/corelib/comparable.rb

Class Method Summary collapse

Instance Method Summary collapse

Class Method Details

.normalize(what) ⇒ Object 



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# File 'opal/opal/corelib/comparable.rb', line 2

def self.normalize(what)
  return what if Integer === what

  return  1 if what > 0
  return -1 if what < 0
  return  0
end

Instance Method Details

#<(other) ⇒ Object 



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# File 'opal/opal/corelib/comparable.rb', line 35

def <(other)
  unless cmp = (self <=> other)
    raise ArgumentError, "comparison of #{self.class} with #{other.class} failed"
  end

  Comparable.normalize(cmp) < 0
end

#<=(other) ⇒ Object 



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# File 'opal/opal/corelib/comparable.rb', line 43

def <=(other)
  unless cmp = (self <=> other)
    raise ArgumentError, "comparison of #{self.class} with #{other.class} failed"
  end

  Comparable.normalize(cmp) <= 0
end

#==(other) ⇒ Object 



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# File 'opal/opal/corelib/comparable.rb', line 10

def ==(other)
  return true if equal?(other)

  return false unless cmp = (self <=> other)
  return Comparable.normalize(cmp) == 0
rescue StandardError
  false
end

#>(other) ⇒ Object 



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# File 'opal/opal/corelib/comparable.rb', line 19

def >(other)
  unless cmp = (self <=> other)
    raise ArgumentError, "comparison of #{self.class} with #{other.class} failed"
  end

  Comparable.normalize(cmp) > 0
end

#>=(other) ⇒ Object 



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# File 'opal/opal/corelib/comparable.rb', line 27

def >=(other)
  unless cmp = (self <=> other)
    raise ArgumentError, "comparison of #{self.class} with #{other.class} failed"
  end

  Comparable.normalize(cmp) >= 0
end

#between?(min, max) ⇒ Boolean

Returns:



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# File 'opal/opal/corelib/comparable.rb', line 51

def between?(min, max)
  return false if self < min
  return false if self > max
  return true
end