mirror of
https://github.com/golang/go
synced 2024-09-05 16:04:50 +00:00
![Robert Griesemer](/assets/img/avatar_default.png)
- Use "expected X" rather then "expecting X". - Report a better error when a type argument list is expected. - Adjust various tests. For #54511. Change-Id: I0c5ca66ecbbdcae1a8f67377682aae6b0b6ab89a Reviewed-on: https://go-review.googlesource.com/c/go/+/425734 TryBot-Result: Gopher Robot <gobot@golang.org> Reviewed-by: Alan Donovan <adonovan@google.com> Run-TryBot: Robert Griesemer <gri@google.com> Reviewed-by: Robert Griesemer <gri@google.com> Auto-Submit: Robert Griesemer <gri@google.com>
56 lines
1.7 KiB
Go
56 lines
1.7 KiB
Go
// errorcheck
|
|
|
|
// Copyright 2015 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.
|
|
|
|
// Check that we correctly construct (and report errors)
|
|
// for unary expressions of the form <-x where we only
|
|
// know after parsing x whether <-x is a receive operation
|
|
// or a channel type.
|
|
|
|
package n
|
|
|
|
func f() {
|
|
// test case from issue 13273
|
|
<-chan int((chan int)(nil))
|
|
|
|
<-chan int(nil)
|
|
<-chan chan int(nil)
|
|
<-chan chan chan int(nil)
|
|
<-chan chan chan chan int(nil)
|
|
<-chan chan chan chan chan int(nil)
|
|
|
|
<-chan<-chan int(nil)
|
|
<-chan<-chan<-chan int(nil)
|
|
<-chan<-chan<-chan<-chan int(nil)
|
|
<-chan<-chan<-chan<-chan<-chan int(nil)
|
|
|
|
<-chan (<-chan int)(nil)
|
|
<-chan (<-chan (<-chan int))(nil)
|
|
<-chan (<-chan (<-chan (<-chan int)))(nil)
|
|
<-chan (<-chan (<-chan (<-chan (<-chan int))))(nil)
|
|
|
|
<-(<-chan int)(nil)
|
|
<-(<-chan chan int)(nil)
|
|
<-(<-chan chan chan int)(nil)
|
|
<-(<-chan chan chan chan int)(nil)
|
|
<-(<-chan chan chan chan chan int)(nil)
|
|
|
|
<-(<-chan<-chan int)(nil)
|
|
<-(<-chan<-chan<-chan int)(nil)
|
|
<-(<-chan<-chan<-chan<-chan int)(nil)
|
|
<-(<-chan<-chan<-chan<-chan<-chan int)(nil)
|
|
|
|
<-(<-chan (<-chan int))(nil)
|
|
<-(<-chan (<-chan (<-chan int)))(nil)
|
|
<-(<-chan (<-chan (<-chan (<-chan int))))(nil)
|
|
<-(<-chan (<-chan (<-chan (<-chan (<-chan int)))))(nil)
|
|
|
|
type _ <-<-chan int // ERROR "unexpected <-, expected chan|expected .*chan.*"
|
|
<-<-chan int // ERROR "unexpected <-, expected chan|expecting {" (new parser: same error as for type decl)
|
|
|
|
type _ <-chan<-int // ERROR "unexpected int, expected chan|expected .*chan.*|expected chan|expected .*;.* or .*}.* or newline"
|
|
<-chan<-int // ERROR "unexpected int, expected chan|expecting {" (new parser: same error as for type decl)
|
|
}
|