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go/test/fixedbugs/issue27595.go
David Heuschmann ae9c822f78 cmd/compile: use more specific error message for assignment mismatch
Show a more specifc error message in the form of "%d variables but %v
returns %d values" if an assignment mismatch occurs with a function
or method call on the right.

Fixes #27595

Change-Id: Ibc97d070662b08f150ac22d686059cf224e012ab
Reviewed-on: https://go-review.googlesource.com/135575
Run-TryBot: Robert Griesemer <gri@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Robert Griesemer <gri@golang.org>
2018-09-27 00:35:06 +00:00

20 lines
579 B
Go

// errorcheck
// Copyright 2018 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
var a = twoResults() // ERROR "assignment mismatch: 1 variable but twoResults returns 2 values"
var b, c, d = twoResults() // ERROR "assignment mismatch: 3 variables but twoResults returns 2 values"
var e, f = oneResult() // ERROR "assignment mismatch: 2 variables but oneResult returns 1 values"
func twoResults() (int, int) {
return 1, 2
}
func oneResult() int {
return 1
}