Adding upstream version 0.0~git20250520.a1d9079+dfsg.

Signed-off-by: Daniel Baumann <daniel@debian.org>

bind/testdata/interfaces.go

@@ -0,0 +1,69 @@
+// Copyright 2014 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 interfaces
+
+type I interface {
+	Rand() int32
+}
+
+type SameI interface {
+	Rand() int32
+}
+
+type LargerI interface {
+	Rand() int32
+	AnotherFunc()
+}
+
+func Add3(r I) int32 {
+	return r.Rand() + r.Rand() + r.Rand()
+}
+
+// chosen by fair dice roll.
+// guaranteed to be random.
+type seven struct{}
+
+func (seven) Rand() int32 { return 7 }
+
+func Seven() I { return seven{} }
+
+type WithParam interface {
+	HasParam(p bool)
+}
+
+type Error interface {
+	Err() error
+}
+
+func CallErr(e Error) error {
+	return e.Err()
+}
+
+// not implementable
+type I1 interface {
+	J()
+	H() *seven // not bound
+}
+
+// not implementable
+type I2 interface {
+	f()
+	G()
+}
+
+// implementable
+// (the implementor has to find a source of I1s)
+type I3 interface {
+	F() I1
+}
+
+// not bound
+func F() seven  { return seven{} }
+func G(u seven) {}
+
+// Interfaces is an interface with the same name as its package.
+type Interfaces interface {
+	SomeMethod()
+}