codekingpro/portable-devtools

1// run2 3// Copyright 2021 The Go Authors. All rights reserved.4// Use of this source code is governed by a BSD-style5// license that can be found in the LICENSE file.6 7package main8 9type I interface{ foo() int }10type J interface {11	I12	bar()13}14 15type myint int16 17func (x myint) foo() int { return int(x) }18 19type myfloat float6420 21func (x myfloat) foo() int { return int(x) }22 23type myint32 int3224 25func (x myint32) foo() int { return int(x) }26func (x myint32) bar()     {}27 28func f[T I](i I) {29	switch x := i.(type) {30	case T:31		println("T", x.foo())32	case myint:33		println("myint", x.foo())34	default:35		println("other", x.foo())36	}37}38func main() {39	f[myfloat](myint(6))40	f[myfloat](myfloat(7))41	f[myfloat](myint32(8))42	f[myint32](myint32(8))43	f[myint32](myfloat(7))44	f[myint](myint32(9))45	f[I](myint(10))46	f[J](myint(11))47	f[J](myint32(12))48}49