// compile // 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. // Check mutually recursive interfaces package recursive type I1 interface { foo() I2 } type I2 interface { bar() I1 } type T int func (t T) foo() I2 { return t } func (t T) bar() I1 { return t }