-- main.mcl --
import "fmt"
import "math"

# This should fail since it can't be polymorphic!
$myfortytwo = func() {
	math.fortytwo()
}

$a = $myfortytwo() + 4
$b = $myfortytwo() + 3.0

test ["x",] {
	int8 => $a,
	float32 => $b,
}
-- OUTPUT --
# err: errUnify: unify error with: topLevel(func() { <built-in:_operator> }): type error: int != float