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// errorcheck
// Copyright 2013 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 p
type T interface {
F1(i int) (i int) // ERROR "duplicate argument i"
F2(i, i int) // ERROR "duplicate argument i"
F3() (i, i int) // ERROR "duplicate argument i"
}
type T1 func(i, i int) // ERROR "duplicate argument i"
type T2 func(i int) (i int) // ERROR "duplicate argument i"
type T3 func() (i, i int) // ERROR "duplicate argument i"
type R struct{}
func (i *R) F1(i int) {} // ERROR "duplicate argument i"
func (i *R) F2() (i int) {return 0} // ERROR "duplicate argument i"
func (i *R) F3(j int) (j int) {return 0} // ERROR "duplicate argument j"
func F1(i, i int) {} // ERROR "duplicate argument i"
func F2(i int) (i int) {return 0} // ERROR "duplicate argument i"
func F3() (i, i int) {return 0, 0} // ERROR "duplicate argument i"
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