bare impl
s on same-crate different-mod imported types were useful and there is no alternative
#749
Labels
T-lang
Relevant to the language team, which will review and decide on the RFC.
Issue by o11c
Monday Oct 13, 2014 at 22:09 GMT
For earlier discussion, see rust-lang/rust#18016
This issue was labelled with: A-typesystem in the Rust repository
The following code used to work, but there is no longer any way to do this sort of thing.
Moving the
impl
into themod
can't be done because low-level modules need to remain similar to the C API they are wrapping, for example if they are generated; and unlike C it is not possible to reopen a module after it is closed.Adding a meaningless trait does not work because trait methods cannot be called unless you import the trait.
Please bring back some way to do this (whispers of every crate being able to silently inject a prelude does not sound like a good idea at all).
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