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![Ian Lance Taylor](/assets/img/avatar_default.png)
fixedbugs/bug487.go:17:17: error: function result count mismatch fixedbugs/bug487.go:18:16: error: function result count mismatch fixedbugs/issue6977.go:37:26: error: duplicate method ‘m’ fixedbugs/issue6977.go:38:21: error: duplicate method ‘m’ fixedbugs/issue6977.go:39:26: error: duplicate method ‘m’ fixedbugs/issue6977.go:40:21: error: duplicate method ‘m’ Change-Id: Ie3c8a4650cd8f4c239bdceac25dc188a6a50ca34 Reviewed-on: https://go-review.googlesource.com/c/go/+/275178 Trust: Ian Lance Taylor <iant@golang.org> Run-TryBot: Ian Lance Taylor <iant@golang.org> Reviewed-by: Cherry Zhang <cherryyz@google.com> Reviewed-by: Than McIntosh <thanm@google.com>
41 lines
1.1 KiB
Go
41 lines
1.1 KiB
Go
// errorcheck
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// Copyright 2019 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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import "io"
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// Alan's initial report.
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type I interface { f(); String() string }
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type J interface { g(); String() string }
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type IJ1 = interface { I; J }
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type IJ2 = interface { f(); g(); String() string }
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var _ = (*IJ1)(nil) == (*IJ2)(nil) // static assert that IJ1 and IJ2 are identical types
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// The canonical example.
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type ReadWriteCloser interface { io.ReadCloser; io.WriteCloser }
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// Some more cases.
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type M interface { m() }
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type M32 interface { m() int32 }
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type M64 interface { m() int64 }
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type U1 interface { m() }
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type U2 interface { m(); M }
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type U3 interface { M; m() }
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type U4 interface { M; M; M }
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type U5 interface { U1; U2; U3; U4 }
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type U6 interface { m(); m() } // ERROR "duplicate method .*m"
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type U7 interface { M32; m() } // ERROR "duplicate method .*m"
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type U8 interface { m(); M32 } // ERROR "duplicate method .*m"
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type U9 interface { M32; M64 } // ERROR "duplicate method .*m"
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