Ruby | Rational <=> function

The <=> is an inbuilt method in Ruby returns -1, 0, or +1 depending on whether rational is less than, equal to, or greater than the numeric value. nil is returned if the two values are incomparable.

Syntax: rat1 rat2

Parameters: The function accepts no parameter



Return Value: It returns -1, 0, or +1 depending on whether rational is less than, equal to, or greater than the numeric value.

Example 1:

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# Ruby program for <=> method
  
# Initialize rational number 
rat1 = Rational(1, 3)
rat2 = Rational(1, 3)
  
# Prints the rational number
puts rat1 <=> rat2

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Output:

0

Example 2:

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# Ruby program for <=> method
  
# Initialize rational number 
rat1 = Rational(1, 3)
  
# Prints the rational number
puts rat1 <=> 0.3

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Output:

1


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