Editando: bug329.go
// run // Copyright 2011 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 main type Value struct { X interface{} Y int } type Struct struct { X complex128 } const magic = 1 + 2i func (Value) Complex(x complex128) { if x != magic { println(x) panic("bad complex magic") } } func f(x *byte, y, z int) complex128 { return magic } func (Value) Struct(x Struct) { if x.X != magic { println(x.X) panic("bad struct magic") } } func f1(x *byte, y, z int) Struct { return Struct{magic} } func main() { var v Value v.Struct(f1(nil, 0, 0)) // ok v.Complex(f(nil, 0, 0)) // used to fail }
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Kerym Chaeceran