文件操作 - alias1.go
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文件: /usr/share/go-1.23/test/alias1.go
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// run // Copyright 2011 The Go Authors. All rights reserved. // Use of this source code is governed by a BSD-style // license that can be found in the LICENSE file. // Test that dynamic interface checks treat byte=uint8 // and rune=int or rune=int32. package main func main() { var x interface{} x = byte(1) switch x.(type) { case uint8: // ok default: panic("byte != uint8") } x = uint8(2) switch x.(type) { case byte: // ok default: panic("uint8 != byte") } rune32 := false x = rune(3) switch x.(type) { case int: // ok case int32: // must be new code rune32 = true default: panic("rune != int and rune != int32") } if rune32 { x = int32(4) } else { x = int(5) } switch x.(type) { case rune: // ok default: panic("int (or int32) != rune") } }
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