I'd recommend one of two solutions, one is a match guard:
match reader.read(buf) {
Ok(cnt) => { /* ... */ }
Err(ref e) if e.kind == io::EndOfFile => { /* ... */ }
Err(e) => return Err(e)
}
and the other would be to home-grow your own macro if you find
yourself writing the same pattern frequently.
On Mon, Feb 3, 2014 at 7:25 PM, Palmer Cox <[email protected]> wrote:
> I like this change quite a bit. However, is there a more succinct way than
> the following to take an action on EOF:
>
> match reader.read(buff) {
> Ok(cnt) => {
> // Do something
> }
> Err(io_error) => match io_error.kind {
> EndOfFile => {
> // Do something for EOF
> }
> _ => return Err(io_error)
> }
> }
>
> -Palmer Cox
>
>
>
> On Mon, Feb 3, 2014 at 9:19 PM, Alex Crichton <[email protected]> wrote:
>>
>> > By returning a Result from all function calls, it's not much cleaner
>> > to handle errors
>>
>> Oops, wrong word there, I meant to indicate that it *is* much cleaner
>> to handle errors with Result rather than conditions.
>> _______________________________________________
>> Rust-dev mailing list
>> [email protected]
>> https://mail.mozilla.org/listinfo/rust-dev
>
>
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