preincrement

preincrement( 
s_var 
) 
=> n_result

Description

Takes a variable, increments its value by one, stores the new value back into the variable, and returns the new value. This function is a prefix form of ++s. The name of the variable must be a symbol and the value must be a number.

Arguments

s_var

Variable representing a number.

Value Returned

n_result

Incremented value of the variable.

Examples

s = 2
preincrement( s ) 

=> 3
s => 3

s = 2.2
preincrement( s ) 

=> 3.2
s => 3.2

Related Topics

postdecrement

predecrement

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