package main import ( "fmt" "s.mcquay.me/dm/rect" ) func main() { r := rect.Rectangle{ P1: rect.Point{1, 1}, P2: rect.Point{1, 2}, P3: rect.Point{2, 1}, P4: rect.Point{2, 2}, } fmt.Println(r.IsRect()) r1 := rect.Rectangle{ P1: rect.Point{0, 0}, P2: rect.Point{0, 1}, P3: rect.Point{1, 0}, P4: rect.Point{1, 1}, } fmt.Println(r1.IsRect()) r1 := rect.Rectangle{ P1: rect.Point{0, 0}, P2: rect.Point{0, 1}, P3: rect.Point{1, 0}, P4: rect.Point{1, 1}, } fmt.Println(r1.IsRect()) }