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go/test/interface/recursive.go

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// 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
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type I1 interface {
foo() I2
}
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type I2 interface {
bar() I1
}
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type T int
func (t T) foo() I2 { return t }
func (t T) bar() I1 { return t }