blob: 3b5ed01ca4ff0ea843d46569737fb206f55eee1e [file] [log] [blame]
// errchk $G $D/$F.go
// 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.
// Static error messages about interface conversions.
package main
type T struct { a int }
var t *T
type I interface { M() }
var i I
type I2 interface { M(); N(); }
var i2 I2;
var e interface { };
func main() {
e = t; // ok
t = e; // ERROR "need explicit"
// neither of these can work,
// because i has an extra method
// that t does not, so i cannot contain a t.
i = t; // ERROR "missing|incompatible|is not"
t = i; // ERROR "missing|incompatible|is not"
i = i2; // ok
i2 = i; // ERROR "need explicit"
}