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// 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, myint32:
println("T/myint32", x.foo())
default:
println("other", x.foo())
}
}
func main() {
f[myfloat](myint(6))
f[myfloat](myfloat(7))
f[myfloat](myint32(8))
f[myint32](myint32(9))
f[myint](myint32(10))
f[myint](myfloat(42))
f[I](myint(10))
f[J](myint(11))
f[J](myint32(12))
}