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0626ac064d
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>
20 lines
1.1 KiB
Go
20 lines
1.1 KiB
Go
// errorcheck
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// Copyright 2018 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 p
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var x int = three() // ERROR "assignment mismatch: 1 variable but three returns 3 values|multiple-value function call in single-value context|multiple-value "
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func f() {
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var _ int = three() // ERROR "assignment mismatch: 1 variable but three returns 3 values|multiple-value function call in single-value context|multiple-value "
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var a int = three() // ERROR "assignment mismatch: 1 variable but three returns 3 values|multiple-value function call in single-value context|multiple-value "
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a = three() // ERROR "assignment mismatch: 1 variable but three returns 3 values|multiple-value function call in single-value context|cannot assign"
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b := three() // ERROR "assignment mismatch: 1 variable but three returns 3 values|single variable set to multiple-value|multiple-value function call in single-value context|cannot initialize"
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_, _ = a, b
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}
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func three() (int, int, int)
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