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go/test/fixedbugs/issue27595.go
Robert Griesemer 0626ac064d cmd/compile: restore original assignment error messages
When used with the compiler, types2 will report assignment error
messages that closely match what the compiler type checker (types1)
produces.

Also, mark lhs variables as used in invalid variable initializations
to avoid a class of follow-on errors.

Fixes #48558.

Change-Id: I92d1de006c66b3a2364bb1bea773a312963afe75
Reviewed-on: https://go-review.googlesource.com/c/go/+/351669
Trust: Robert Griesemer <gri@golang.org>
Run-TryBot: Robert Griesemer <gri@golang.org>
TryBot-Result: Go Bot <gobot@golang.org>
Reviewed-by: Robert Findley <rfindley@google.com>
2021-09-23 19:41:41 +00:00

20 lines
670 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|multiple-value twoResults\(\) .*in single-value context"
var b, c, d = twoResults() // ERROR "assignment mismatch: 3 variables but twoResults returns 2 values|cannot initialize"
var e, f = oneResult() // ERROR "assignment mismatch: 2 variables but oneResult returns 1 value|cannot initialize"
func twoResults() (int, int) {
return 1, 2
}
func oneResult() int {
return 1
}