mirror of
https://github.com/golang/go
synced 2024-09-15 22:20:06 +00:00
ca3c6985cd
Add a new dynamicType node, which is used as a case entry when the type being switched to is generic. Change-Id: Ice77c6f224b8fdd3ff574fdf4a8ea5f6c7ddbe75 Reviewed-on: https://go-review.googlesource.com/c/go/+/339429 Trust: Keith Randall <khr@golang.org> Trust: Dan Scales <danscales@google.com> Run-TryBot: Keith Randall <khr@golang.org> Reviewed-by: Dan Scales <danscales@google.com>
30 lines
574 B
Go
30 lines
574 B
Go
// run -gcflags=-G=3
|
|
|
|
// 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))
|
|
}
|