go/test/typeparam/typeswitch2.go
Matthew Dempsky e24977d231 all: avoid use of cmd/compile -G flag in tests
The next CL will remove the -G flag, effectively hard-coding it to its
current default (-G=3).

Change-Id: Ib4743b529206928f9f1cca9fdb19989728327831
Reviewed-on: https://go-review.googlesource.com/c/go/+/388534
Reviewed-by: Keith Randall <khr@golang.org>
Trust: Matthew Dempsky <mdempsky@google.com>
Run-TryBot: Matthew Dempsky <mdempsky@google.com>
TryBot-Result: Gopher Robot <gobot@golang.org>
2022-03-01 19:45:34 +00:00

34 lines
692 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
import "reflect"
func f[T any](i interface{}) {
switch x := i.(type) {
case T:
println("T", x)
case int:
println("int", x)
case int32, int16:
println("int32/int16", reflect.ValueOf(x).Int())
case struct{ a, b T }:
println("struct{T,T}", x.a, x.b)
default:
println("other", reflect.ValueOf(x).Int())
}
}
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))
}