Исходники и презентации

lessons/generics_and_reflection/max_generic/main.go

@@ -0,0 +1,32 @@
+package main
+
+// constraint
+type Signed interface {
+	int | int8 | int16 | int32 | int64
+}
+
+// constraint
+type Unsigned interface {
+	uint | uint8 | uint16 | uint32 | uint64
+}
+
+// constraint
+type Integer interface {
+	Signed | Unsigned
+}
+
+func Max[T Integer](lhs, rhs T) T {
+	if lhs >= rhs {
+		return lhs
+	} else {
+		return rhs
+	}
+}
+
+func main() {
+	var lhs1, rhs1 int = 10, 20
+	_ = Max[int](lhs1, rhs1)
+
+	var lhs2, rhs2 uint = 10, 20
+	_ = Max[uint](lhs2, rhs2)
+}