Ruby | Numeric nonzero? function

The nonzero?() is an inbuilt method in Ruby returns self if the number is non-zero, else it returns nil.

Syntax: num.nonzero?()

Parameters: The function needs a number which is to be checked.

Return Value: It returns self or nil.

Example 1:

# Ruby program for nonzero?
# method in Numeric

# Initialize a number
num1 = 12

# Prints if nonzero or not
puts num1.nonzero?()

Output:

12

Example 2:

# Ruby program for nonzero?
# method in Numeric

# Initialize a number
num1 = 0

# Prints if nonzero or not
puts num1.nonzero?()

Output: