// 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 var T interface { F1(i int) (i int) // ERROR "duplicate argument i|redefinition|previous|redeclared" F2(i, i int) // ERROR "duplicate argument i|redefinition|previous|redeclared" F3() (i, i int) // ERROR "duplicate argument i|redefinition|previous|redeclared" } var T1 func(i, i int) // ERROR "duplicate argument i|redefinition|previous|redeclared" var T2 func(i int) (i int) // ERROR "duplicate argument i|redefinition|previous|redeclared" var T3 func() (i, i int) // ERROR "duplicate argument i|redefinition|previous|redeclared"