testcode.ansll

module sample::mathstuff;

import std::units;
import std::trig;

# A standalone unit (e.g. seconds, meters, etc.)
unitdef Chairs;
# A unit that is defined by another (e.g. kilometers, inches, watts, etc.)
unitdef SqChairs Chairs ^^ 2;

# Variables are implicitly 64-bit "doubles" signed floating-point numbers
# But they can be explicitly stated written as if they were a unit
fn calculate($freq Hz) Hz ft
{
    # Order of operations, 12 squared then multiply by freq then add 3
    $somethin := 3 Hz ft + $freq * 12 ft ^^ 2;

    # This would give an error because units don't match
    # you can also state a unit for the local variable explicitly (optional)
    #        > Error cannot add values of unit 'V' and 'V A'
    # $wattage W := -2.7 V + 12 V * 15 A;

    # If a unit has a direct conversion it can be converted like this:
    $meters m := <m>(27 ft);

    return $somethin;
}