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Add a FIXME relating to these type-testing traits

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This commit is contained in:
Niko Matsakis 2014-12-29 11:06:15 -05:00
parent f1c041a54d
commit c197911c60
1 changed files with 2 additions and 2 deletions
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4
src/librustc/middle/ty.rs
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@ -6876,8 +6876,8 @@ pub fn can_type_implement_copy<'tcx>(tcx: &ctxt<'tcx>,
Ok(())
}
// TODO -- all of these types basically walk various structures to
// test whether types/regions are reachable with various
// FIXME(#20298) -- all of these types basically walk various
// structures to test whether types/regions are reachable with various
// properties. It should be possible to express them in terms of one
// common "walker" trait or something.