diff options
Diffstat (limited to 'test/typeswitch2.go')
-rw-r--r-- | test/typeswitch2.go | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/test/typeswitch2.go b/test/typeswitch2.go new file mode 100644 index 000000000..f8fe396ea --- /dev/null +++ b/test/typeswitch2.go @@ -0,0 +1,28 @@ +// errchk $G -e $D/$F.go + +// Copyright 2009 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. + +package main + +import "io" + +func whatis(x interface{}) string { + switch x.(type) { + case int: + return "int" + case int: // ERROR "duplicate" + return "int8" + case io.Reader: + return "Reader1" + case io.Reader: // ERROR "duplicate" + return "Reader2" + case interface { r(); w() }: + return "rw" + case interface { w(); r() }: // ERROR "duplicate" + return "wr" + + } + return "" +} |