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Ruby | Rational positive?() function

  • Last Updated : 06 Jan, 2020

The positive?() is an inbuilt function in Ruby returns boolean value true if rational number is greater than zero otherwise false

Syntax: rat.positive?()

Parameters: The function accepts no parameter

Return Value: It returns boolean value true if rational number is greater than zero otherwise false

Example 1:






# Ruby program for positive?() method
  
# Initialize rational number 
rat1 = Rational(-2, 9)
  
# Prints the boolean value
puts rat1.positive?()

Output:

false

Example 2:




# Ruby program for positive?() method
  
# Initialize rational number 
rat1 = Rational('1.23')
  
# Prints the boolean value
puts rat1.positive?()

Output:

true
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