abs := fn($Expr: type, x: Expr): Expr {
	mask := x >> @intcast(@sizeof(Expr) - 1)
	return (x ^ mask) - mask
}
min := fn($Expr: type, a: Expr, b: Expr): Expr {
	c := a - b
	return b + (c & c >> @intcast(@sizeof(Expr) - 1))
}
max := fn($Expr: type, a: Expr, b: Expr): Expr {
	c := a - b
	return a - (c & c >> @intcast(@sizeof(Expr) - 1))
}

Vec2 := fn($Expr: type): type {
	return struct {x: Expr, y: Expr}
}