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https://github.com/golang/go
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21 lines
598 B
Go
21 lines
598 B
Go
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// 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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// Verify that various erroneous type switches are caught by the compiler.
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// Does not compile.
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package main
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func notused(x interface{}) {
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// The first t is in a different scope than the 2nd t; it cannot
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// be accessed (=> declared and not used error); but it is legal
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// to declare it.
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switch t := 0; t := x.(type) { // ERROR "declared and not used"
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case int:
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_ = t // this is using the t of "t := x.(type)"
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}
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}
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