f32/d2/vec2.go
func (v Vec2) String() string {
	if len(v) < 2 {
		return fmt.Sprintf("Vec2(!not-allocated)")
	}
	return fmt.Sprintf("(%.4g,%.4g)", v[0], v[1])
}
func (v Vec2) String() string {
	if len(v) < 2 {
		return fmt.Sprintf("Vec2(!not-allocated)")
	}
	return fmt.Sprintf("(%.4g,%.4g)", v[0], v[1])
}
// String returns a string representation of v like "(3,4)".