2019-09-10 21:06:51 -06:00
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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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2019-10-24 19:29:30 -06:00
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// be accessed (=> declared but not used error); but it is legal
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2019-09-10 21:06:51 -06:00
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// to declare it.
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2019-10-24 19:29:30 -06:00
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switch t := 0; t := x.(type) { // ERROR "declared but not used"
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2019-09-10 21:06:51 -06:00
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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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