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Ruby Integer succ() function with example

Last Updated : 03 Dec, 2020
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The succ function in Ruby returns the immediate successor of the number, i.e., it returns number + 1. If a float value is used, it throws an error message. 

Syntax: number.succ 

Parameter: The function takes the integer whose next is to be returned. 

Return Value: The function returns the immediate successor of the number, i.e., it returns number + 1


Example 1: 

Ruby
# Ruby program for succ function
 
# Initializing the numbers
num1 = 100 
num2 = 17 
num3 = -90 
num4 = -29
 
# Printing the next value
puts num1.succ
puts num2.succ
puts num3.succ
puts num4.succ

Output

101
18
-89
-28


Example 2

Ruby
# Ruby program for succ function
 
# Initializing the numbers
num1 = 19 
num2 = -17
num3 = -18 
num4 = 16
 
# Printing the succ value
puts num1.succ
puts num2.succ
puts num3.succ
puts num4.succ

Output

20
-16
-17
17


 


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