Ruby | Numeric rectangular() function

Ruby | Numeric real? function

Last Updated : 19 Mar, 2024

The real?() is an inbuilt method in Ruby returns a boolean value. It returns true if the number is a negative one, else it returns false.

Syntax: num.real?() Parameters: The function needs a number which is to be checked for. Return Value: It returns returns a boolean value.

Example 1:

CPP

# Ruby program for real?()
# method in Numeric

# Initialize a number 
num1 = 10

# Prints real or not 
puts num1.real?()

Output:

true

Example 2:

CPP

# Ruby program for real?()
# method in Numeric

# Initialize a number 
num1 = Complex(12, 3)

# Prints real or not 
puts num1.real?()

Output:

false

Ruby | Numeric rectangular() function

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