| Linux in-mum-web1499.main-hosting.eu 5.14.0-503.40.1.el9_5.x86_64 #1 SMP PREEMPT_DYNAMIC Mon May 5 06:06:04 EDT 2025 x86_64 Path : /opt/golang/1.22.0/test/typeparam/ |
| Current File : //opt/golang/1.22.0/test/typeparam/typeswitch3.go |
// run
// Copyright 2021 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package main
type I interface{ foo() int }
type J interface {
I
bar()
}
type myint int
func (x myint) foo() int { return int(x) }
type myfloat float64
func (x myfloat) foo() int { return int(x) }
type myint32 int32
func (x myint32) foo() int { return int(x) }
func (x myint32) bar() {}
func f[T I](i I) {
switch x := i.(type) {
case T:
println("T", x.foo())
case myint:
println("myint", x.foo())
default:
println("other", x.foo())
}
}
func main() {
f[myfloat](myint(6))
f[myfloat](myfloat(7))
f[myfloat](myint32(8))
f[myint32](myint32(8))
f[myint32](myfloat(7))
f[myint](myint32(9))
f[I](myint(10))
f[J](myint(11))
f[J](myint32(12))
}