mirror of
https://github.com/golang/go
synced 2024-11-15 03:10:22 -07:00
d168c4f296
None of the current generic type switch test cases exercise type switches where the instantiated case is an interface type. Change-Id: I9272fa61b8dde1fe1a3702d524d4f40253ef19b2 Reviewed-on: https://go-review.googlesource.com/c/go/+/390354 Trust: Matthew Dempsky <mdempsky@google.com> Run-TryBot: Matthew Dempsky <mdempsky@google.com> TryBot-Result: Gopher Robot <gobot@golang.org> Reviewed-by: Cuong Manh Le <cuong.manhle.vn@gmail.com>
34 lines
648 B
Go
34 lines
648 B
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
|
|
|
|
func f[T any](i interface{}) {
|
|
switch i.(type) {
|
|
case T:
|
|
println("T")
|
|
case int:
|
|
println("int")
|
|
case int32, int16:
|
|
println("int32/int16")
|
|
case struct{ a, b T }:
|
|
println("struct{T,T}")
|
|
default:
|
|
println("other")
|
|
}
|
|
}
|
|
func main() {
|
|
f[float64](float64(6))
|
|
f[float64](int(7))
|
|
f[float64](int32(8))
|
|
f[float64](struct{ a, b float64 }{a: 1, b: 2})
|
|
f[float64](int8(9))
|
|
f[int32](int32(7))
|
|
f[int](int32(7))
|
|
f[any](int(10))
|
|
f[interface{ M() }](int(11))
|
|
}
|