abs
Return the absolute value of an integer. A negative input becomes positive, while zero and positive inputs are returned unchanged.
Signature
func abs(num int) int
Parameters
num— the integer whose absolute value is required.
Return Value
The non-negative absolute value of num.
Example
var distance = abs(-12)
print(distance)
The example writes 12 to standard output.
The absolute value of -2,147,483,648 cannot be represented by int and is not defined by 0.2.