mirror of
https://github.com/golang/go
synced 2024-11-22 03:24:41 -07:00
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
39 lines
506 B
Go
39 lines
506 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 bad() {
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var i I
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var s string
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switch i {
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case s: // ERROR "mismatched types string and I"
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}
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switch s {
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case i: // ERROR "mismatched types I and string"
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}
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}
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func good() {
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var i interface{}
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var s string
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switch i {
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case s:
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}
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switch s {
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case i:
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}
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}
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