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https://github.com/golang/go
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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>
38 lines
934 B
Go
38 lines
934 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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type FooType[T any] interface {
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Foo(BarType[T]) string
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}
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type BarType[T any] interface {
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Bar(FooType[T]) string
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}
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// For now, a lone type parameter is not permitted as RHS in a type declaration (issue #45639).
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// type Baz[T any] T
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// func (l Baz[T]) Foo(v BarType[T]) string {
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// return v.Bar(l)
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// }
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// type Bob[T any] T
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// func (l Bob[T]) Bar(v FooType[T]) string {
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// if v,ok := v.(Baz[T]);ok{
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// return fmt.Sprintf("%v%v",v,l)
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// }
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// return ""
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// }
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func main() {
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// For now, a lone type parameter is not permitted as RHS in a type declaration (issue #45639).
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// var baz Baz[int] = 123
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// var bob Bob[int] = 456
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//
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// if got, want := baz.Foo(bob), "123456"; got != want {
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// panic(fmt.Sprintf("got %s want %s", got, want))
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// }
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}
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