Class: String

Inherits:
Object
  • Object
show all
Defined in:
lib/numeric.rb

Instance Method Summary collapse

Instance Method Details

#complex? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/numeric.rb', line 10

def complex?
  !!Complex(self) rescue false
end

#decimal? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/numeric.rb', line 26

def decimal?
  !!BigDecimal(self) rescue false
end

#float? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/numeric.rb', line 22

def float?
  !!Float(self) rescue false
end

#integer? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/numeric.rb', line 18

def integer?
  !!Integer(self) rescue false
end

#numeric? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/numeric.rb', line 6

def numeric?
  complex?
end

#rational? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/numeric.rb', line 14

def rational?
  !!Rational(self) rescue false
end