On Wed, Jul 3, 2019 at 4:39 PM Gert <gert.cuyk...@gmail.com> wrote:
>
> On Thursday, July 4, 2019 at 12:39:34 AM UTC+2, Ian Lance Taylor wrote:
>>
>> On Wed, Jul 3, 2019 at 3:30 PM Gert <gert....@gmail.com> wrote:
>> >
>> > I changed /usr/local/go/src/builtin/builtin.go
>> >
>> > type error interface {
>> > Error() string
>> > Unwrap() wrapper.Wrapper
>> > }
>> >
>> > But after compiling go successfully with ./all.bash it seems type error is
>> > stil
>> >
>> > type error interface {
>> > Error() string
>> > }
>>
>> The type "error" is implemented directly in the Go compiler. The code
>> in builtin/builtin.go only exists for documentation purposes. If you
>> want to change error, you'll need to change the compiler.
>
>
> Ok thx trying to dig my way in /usr/local/go/src/go but grepping for error
> interface doesn't give me a clue where I can find the predefined error
> interface :( do you perhaps have a path of a filename for me please where it
> get defined?
It's created by makeErrorInterface in
cmd/compile/internal/gc/universe.go. But I have no idea what the
consequences of changing that function would be. I would not be
surprised if other code in the compiler implicitly assumes the current
definition.
Ian
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