No, since it isn't known which trait the method should come from. It
could list *all* the traits that provide that method with that
signature, but even that wouldn't be great if you had the signature
off.
On Thu, Dec 5, 2013 at 3:26 PM, Philippe Delrieu
<philippe.delr...@free.fr> wrote:
> I found my error. It's a classical problem.
> TestStruct2 implement the trait `extra::serialize::Encodable` using the
> generated impl by the compiler.
> I didn't declare : use extra::serialize::Encodable;
> So the compiler doesn't find it and declare the problem at the
> implementation.
> It's the same problem when you work with different file and the trait is
> implemented in one file and use in another.
> Usually I found the error but I was confused with other errors and the
> message wasn't clear.
> Is it possible to change the message by for example in this case trait
> `extra::serialize::Encodable` not found for encode,
> or to add all `use` needed when using a type and its implementation.
>
> Philippe
>
> Le 05/12/2013 10:53, Philippe Delrieu a écrit :
>
>> Thank you it correct my first problems.
>>
>> I didn't send code because I thought it has the same cause. For the last
>> problems the code is :
>>
>> use extra::serialize;
>> use extra::json::{Json, Decoder, ToJson, Object, Encoder, Decoder};
>> use extra::treemap::TreeMap;
>> use std::io::Decorator;
>>
>> //second struct with manually implemented Decodable, Encodable
>> #[deriving(Decodable, Encodable, Eq)]
>> pub struct TestStruct2 {
>> dataInt: u8,
>> dataStr:~str,
>> dataArray:~[u8],
>> }
>>
>> let test3 : TestStruct2 = TestStruct2 {dataInt: 1, dataStr:~"toto",
>> dataArray:~[2,3,4,5]};
>> //{\"dataArray\":[2,3,4,5],\"dataInt\":1,\"dataStr\":\"toto\"}
>> let mut m3 = MemWriter::new();
>> {
>> let mut encoder3 =Encoder::init(&mut m3 as &mut Writer);
>> test3.encode(&mut encoder3);
>> }
>>
>> Rustc result :
>> test_json.rs:292:8: 292:36 error: type `TestStruct2` does not implement
>> any method in scope named `encode`
>> test/test_json.rs:292 test3.encode(&mut encoder3);
>>
>> Philippe
>>
>>
>>
>> Le 05/12/2013 09:56, Kevin Ballard a écrit :
>>>
>>> `do` no longer works with stack closures. It now only works with the new
>>> proc() type, which basically means you're only going to see it used with
>>> spawn().
>>>
>>> You need to now say something like
>>>
>>> let rc = endpoint.with_c_str(|cstr| {
>>> unsafe {smq_bind(self.sock, cstr)}
>>> });
>>>
>>> I can't speculate on your encode error without seeing it.
>>>
>>> -Kevin
>>>
>>> On Dec 5, 2013, at 12:43 AM, Philippe Delrieu <philippe.delr...@free.fr>
>>> wrote:
>>>
>>>> Hello,
>>>>
>>>> since a few days, I have a lot of new errors in the master compiler. For
>>>> example in the rust_zmq lib that I use. When I compile it I have these
>>>> errors :
>>>> 321:9 error: last argument in `do` call has non-procedure type: |*i8| ->
>>>> <V3>
>>>>
>>>> /home/pdelrieu/Documents/dev/musit/rust/zmq/git/rust-zmq/src/zmq/lib.rs:319
>>>> let rc = do endpoint.with_c_str |cstr| {
>>>>
>>>> /home/pdelrieu/Documents/dev/musit/rust/zmq/git/rust-zmq/src/zmq/lib.rs:320
>>>> unsafe {zmq_bind(self.sock, cstr)}
>>>>
>>>> /home/pdelrieu/Documents/dev/musit/rust/zmq/git/rust-zmq/src/zmq/lib.rs:321
>>>> };
>>>>
>>>> /home/pdelrieu/Documents/dev/musit/rust/zmq/git/rust-zmq/src/zmq/lib.rs:328:29:
>>>> 330:9 error: last argument in `do` call has non-procedure type: |*i8| ->
>>>> <V3>
>>>>
>>>> /home/pdelrieu/Documents/dev/musit/rust/zmq/git/rust-zmq/src/zmq/lib.rs:328
>>>> let rc = do endpoint.with_c_str |cstr| {
>>>>
>>>> /home/pdelrieu/Documents/dev/musit/rust/zmq/git/rust-zmq/src/zmq/lib.rs:329
>>>> unsafe {zmq_connect(self.sock, cstr)}
>>>>
>>>> /home/pdelrieu/Documents/dev/musit/rust/zmq/git/rust-zmq/src/zmq/lib.rs:330
>>>> };
>>>>
>>>> /home/pdelrieu/Documents/dev/musit/rust/zmq/git/rust-zmq/src/zmq/lib.rs:337:16:
>>>> 352:9 error: last argument in `do` call has non-procedure type: |*u8, uint|
>>>> -> <V3>
>>>>
>>>> /home/pdelrieu/Documents/dev/musit/rust/zmq/git/rust-zmq/src/zmq/lib.rs:337
>>>> do data.as_imm_buf |base_ptr, len| {
>>>>
>>>> /home/pdelrieu/Documents/dev/musit/rust/zmq/git/rust-zmq/src/zmq/lib.rs:338
>>>> let msg = [0, ..32];
>>>>
>>>> /home/pdelrieu/Documents/dev/musit/rust/zmq/git/rust-zmq/src/zmq/lib.rs:339
>>>>
>>>> /home/pdelrieu/Documents/dev/musit/rust/zmq/git/rust-zmq/src/zmq/lib.rs:340
>>>> unsafe {
>>>>
>>>> /home/pdelrieu/Documents/dev/musit/rust/zmq/git/rust-zmq/src/zmq/lib.rs:341
>>>> // Copy the data into the message.
>>>>
>>>> /home/pdelrieu/Documents/dev/musit/rust/zmq/git/rust-zmq/src/zmq/lib.rs:342
>>>> zmq_msg_init_size(&msg, len as size_t);
>>>> ...
>>>>
>>>> /home/pdelrieu/Documents/dev/musit/rust/zmq/git/rust-zmq/src/zmq/lib.rs:342:40:
>>>> 342:43 error: the type of this value must be known in this context
>>>>
>>>> /home/pdelrieu/Documents/dev/musit/rust/zmq/git/rust-zmq/src/zmq/lib.rs:342
>>>> zmq_msg_init_size(&msg, len as size_t);
>>>> ^~~
>>>>
>>>> /home/pdelrieu/Documents/dev/musit/rust/zmq/git/rust-zmq/src/zmq/lib.rs:344:16:
>>>> 344:32 error: cannot determine a type for this bounded type parameter:
>>>> unconstrained type
>>>>
>>>> /home/pdelrieu/Documents/dev/musit/rust/zmq/git/rust-zmq/src/zmq/lib.rs:344
>>>> ptr::copy_memory(::cast::transmute(zmq_msg_data(&msg)), base_ptr, len);
>>>> ^~~~~~~~~~~~~~~~
>>>> I have the same type of errors in my code plus other error when the
>>>> trait can't be found like type `MyType` does not implement any method in
>>>> scope named `encode` and the function is implemented just above.
>>>> This code where compiling last week.
>>>>
>>>> Philippe Delrieu
>>>>
>>>> _______________________________________________
>>>> Rust-dev mailing list
>>>> Rust-dev@mozilla.org
>>>> https://mail.mozilla.org/listinfo/rust-dev
>>>
>>>
>>>
>>
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>>
>
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