Name
abs — Return the absolute value of a number
Usage
Lang.abs(num)
num
Description
If num is an integer or can be converted
to one, returns a positive integer. Otherwise, if
num is a floating-point value or can be
converted to one, returns a positive floating-point value.
Examples
Lang.abs(17)
returns integer 17
Lang.abs("-17")returns integer 17
Lang.abs(2.3)
returns floating-point 2.3
Lang.abs(-2.3)
returns floating-point 2.3
Lang.abs("foo")returns invalid
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