mirror of
https://github.com/golang/go
synced 2024-11-22 20:04:47 -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
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// Copyright 2021 The Go Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style
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// license that can be found in the LICENSE file.
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package main
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import "fmt"
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type Temp[T any] struct {
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}
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var temp, temp1 any
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var ch any
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func (it Temp[T]) HasNext() bool {
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var ok bool
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temp1 = <-ch.(chan T)
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// test conversion of T to interface{} during an OAS2RECV
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temp, ok = <-ch.(chan T)
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return ok
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}
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type MyInt int
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func (i MyInt) String() string {
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return "a"
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}
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type Stringer interface {
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String() string
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}
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type Temp2[T Stringer] struct {
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}
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var temp2 Stringer
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func (it Temp2[T]) HasNext() string {
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var x map[int]T
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var ok bool
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// test conversion of T to Stringer during an OAS2MAPR
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temp2, ok = x[43]
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_ = ok
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return temp2.String()
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}
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func main() {
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ch1 := make(chan int, 2)
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ch1 <- 5
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ch1 <- 6
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ch = ch1
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iter := Temp[int]{}
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iter.HasNext()
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iter2 := Temp2[MyInt]{}
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if got, want := iter2.HasNext(), "a"; got != want {
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panic(fmt.Sprintf("got %v, want %v", got, want))
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}
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}
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