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4360fd8d6f
This matches longstanding compiler behavior. Also, for unused packages, report: `"pkg" imported and not used` `"pkg" imported as X and not used` This matches the other `X declared and not used` errors. For #55326. Change-Id: Ie71cf662fb5f4648449c64fc51bede298a1bdcbf Reviewed-on: https://go-review.googlesource.com/c/go/+/432557 TryBot-Result: Gopher Robot <gobot@golang.org> Reviewed-by: Robert Findley <rfindley@google.com> Reviewed-by: Robert Griesemer <gri@google.com> Auto-Submit: Robert Griesemer <gri@google.com> Run-TryBot: Robert Griesemer <gri@google.com>
25 lines
629 B
Go
25 lines
629 B
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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// Test that we type-check deferred/go functions even
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// if they are not called (a common error). Specifically,
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// we don't want to see errors such as import or variable
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// declared and not used.
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package p
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import (
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"fmt"
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"math"
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)
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func f() {
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var i int
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defer func() { fmt.Println() } // ERROR "must be function call"
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go func() { _ = math.Sin(0) } // ERROR "must be function call"
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go func() { _ = i} // ERROR "must be function call"
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}
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