Исходники и презентации

lessons/generics_and_reflection/constraints_1/main.go

@@ -0,0 +1,45 @@
+package main
+
+type Integer1 interface {
+	int | int16 | int32 | int64
+}
+
+type Integer2 interface {
+	~int | ~int16 | ~int32 | ~int64
+}
+
+func Process1[T1 Integer1](value T1) {
+	// ..
+}
+
+func Process11[T2 interface{ int | int16 | int32 | int64 }](value T2) {
+	// ..
+}
+
+func Process12[T2 int | int16 | int32 | int64](value T2) { // interface{} can be omitted
+	// ..
+}
+
+func Process2[T2 Integer2](value T2) {
+	// ..
+}
+
+type MyInt1 int
+type MyInt2 MyInt1
+
+type MyIntAlias1 = int
+type MyIntAlias2 = MyIntAlias1
+
+func main() {
+	Process1(int(100))
+	Process1(MyInt1(100))
+	Process1(MyInt2(100))
+	Process1(MyIntAlias1(100))
+	Process1(MyIntAlias2(100))
+
+	Process2(int(100))
+	Process2(MyInt1(100))
+	Process2(MyInt2(100))
+	Process1(MyIntAlias1(100))
+	Process1(MyIntAlias2(100))
+}