mirror of
https://github.com/golang/go
synced 2024-11-11 18:31:38 -07:00
e24977d231
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>
64 lines
1013 B
Go
64 lines
1013 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 "fmt"
|
|
|
|
type Temp[T any] struct {
|
|
}
|
|
|
|
var temp, temp1 any
|
|
var ch any
|
|
|
|
func (it Temp[T]) HasNext() bool {
|
|
var ok bool
|
|
temp1 = <-ch.(chan T)
|
|
// test conversion of T to interface{} during an OAS2RECV
|
|
temp, ok = <-ch.(chan T)
|
|
return ok
|
|
}
|
|
|
|
type MyInt int
|
|
|
|
func (i MyInt) String() string {
|
|
return "a"
|
|
}
|
|
|
|
type Stringer interface {
|
|
String() string
|
|
}
|
|
|
|
type Temp2[T Stringer] struct {
|
|
}
|
|
|
|
var temp2 Stringer
|
|
|
|
func (it Temp2[T]) HasNext() string {
|
|
var x map[int]T
|
|
|
|
var ok bool
|
|
// test conversion of T to Stringer during an OAS2MAPR
|
|
temp2, ok = x[43]
|
|
_ = ok
|
|
return temp2.String()
|
|
}
|
|
|
|
func main() {
|
|
ch1 := make(chan int, 2)
|
|
ch1 <- 5
|
|
ch1 <- 6
|
|
ch = ch1
|
|
iter := Temp[int]{}
|
|
iter.HasNext()
|
|
|
|
iter2 := Temp2[MyInt]{}
|
|
if got, want := iter2.HasNext(), "a"; got != want {
|
|
panic(fmt.Sprintf("got %v, want %v", got, want))
|
|
}
|
|
|
|
}
|