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Diffstat (limited to '')
-rw-r--r-- | test/method2.go | 41 |
1 files changed, 41 insertions, 0 deletions
diff --git a/test/method2.go b/test/method2.go new file mode 100644 index 0000000..ac1d771 --- /dev/null +++ b/test/method2.go @@ -0,0 +1,41 @@ +// errorcheck + +// 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. + +// Verify that pointers and interface types cannot be method receivers. +// Does not compile. + +package main + +type T struct { + a int +} +type P *T +type P1 *T + +func (p P) val() int { return 1 } // ERROR "receiver.* pointer|invalid pointer or interface receiver" +func (p *P1) val() int { return 1 } // ERROR "receiver.* pointer|invalid pointer or interface receiver" + +type I interface{} +type I1 interface{} + +func (p I) val() int { return 1 } // ERROR "receiver.*interface|invalid pointer or interface receiver" +func (p *I1) val() int { return 1 } // ERROR "receiver.*interface|invalid pointer or interface receiver" + +type Val interface { + val() int +} + +var _ = (*Val).val // ERROR "method" + +var v Val +var pv = &v + +var _ = pv.val() // ERROR "undefined|pointer to interface" +var _ = pv.val // ERROR "undefined|pointer to interface" + +func (t *T) g() int { return t.a } + +var _ = (T).g() // ERROR "needs pointer receiver|undefined|method requires pointer" |