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13e92e4d75
Allow any type in switch on interface value. Statically check typeswitch early. Fixes #2423. Fixes #2424. R=rsc, dsymonds CC=golang-dev https://golang.org/cl/5339045
21 lines
371 B
Go
21 lines
371 B
Go
// errchk $G -e $D/$F.go
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// Copyright 2011 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 main
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type I interface {
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M()
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}
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func main(){
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var x I
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switch x.(type) {
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case string: // ERROR "impossible"
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println("FAIL")
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}
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}
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