On Apr 8, 2013, at 2:19 PM, John McCall <[email protected]> wrote:
> On Apr 8, 2013, at 12:42 PM, Erik Verbruggen <[email protected]> wrote:
>> Pardon my ignorance, but why a warning? Or to rephrase it: why could this be
>> problematic at all to fail with -Werror?
>
> There's no good reason to use "auto" in a situation where it will always
> infer as "id". People should either explicitly provide a more specific type,
> in which case uses of the value will actually be meaningfully type-checked,
> or they should type "id", which is shorter.
… and it's not an error because this could legitimately happen during template
instantiation, where we suppress the warning.
- Doug
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