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Ruby | Numeric dup() function

  • Last Updated : 18 Jan, 2021

The dup() is an inbuilt method in Ruby returns the number itself.

Syntax: num1.dup()

Parameters: The function needs a number. 

Return Value: It returns itself only.

Example 1:  



Ruby




# Ruby program for dup() method in Numeric
 
# Initialize a number
num1 = 1.7
 
# Function used
num = num1.dup()
 
# Prints dup() of num
puts num

Output

1.7

Example 2

Ruby




# Ruby program for dup() method in Numeric
 
# Initialize a number
num1 = 19
 
# Function used
num = num1.dup()
 
# Prints dup() of num
puts num

Output:  

19

 

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