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Ruby | Rational <=> function

  • Last Updated : 20 Jan, 2021
Geek Week

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:  



Ruby




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

Output

0

Example 2

Ruby




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

Output

1

 

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