Function
abs — absolute value of a number
Synopsis
abs(n: number) -> number
Description
The abs function returns the absolute value of its argument n, which
must be a numeric type.
Examples
Absolute value of various numbers
# spq
values abs(this)
# input
1
-1
0
-1.0
-1::int8
1::uint8
"foo"
# expected output
1
1
0
1.
1::int8
1::uint8
error({message:"abs: not a number",on:"foo"})