Ruby | Rational negative?() function

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

Syntax: rat.negative?()

Parameters: The function accepts no parameter.

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

Example 1:

# Ruby program for negative?() method

# Initialize rational number
rat1 = Rational(-2, 9)

# Prints the rational number
puts rat1.negative?()

Output:

true

Example 2:

# Ruby program for negative?() method

# Initialize rational number
rat1 = Rational('1.23')

# Prints the rational number
puts rat1.negative?()

Output:

false