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| author | Matthew Jasper <mjjasper1@gmail.com> | 2020-07-23 21:59:20 +0100 |
|---|---|---|
| committer | Matthew Jasper <mjjasper1@gmail.com> | 2020-10-06 11:19:31 +0100 |
| commit | cfee49593d756bb97018d1d2ac194e0821d2dfca (patch) | |
| tree | 6b93b9dc025cbf3275b384cc52fcd39d250ad3dd /compiler/rustc_middle/src/traits | |
| parent | bc08b791bce1c5b31052da5dfda74302b6f61a99 (diff) | |
| download | rust-cfee49593d756bb97018d1d2ac194e0821d2dfca.tar.gz rust-cfee49593d756bb97018d1d2ac194e0821d2dfca.zip | |
Handle multiple applicable projection candidates
Diffstat (limited to 'compiler/rustc_middle/src/traits')
| -rw-r--r-- | compiler/rustc_middle/src/traits/select.rs | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/compiler/rustc_middle/src/traits/select.rs b/compiler/rustc_middle/src/traits/select.rs index 6ad514c6be2..358ead507b4 100644 --- a/compiler/rustc_middle/src/traits/select.rs +++ b/compiler/rustc_middle/src/traits/select.rs @@ -105,9 +105,10 @@ pub enum SelectionCandidate<'tcx> { ImplCandidate(DefId), AutoImplCandidate(DefId), - /// This is a trait matching with a projected type as `Self`, and - /// we found an applicable bound in the trait definition. - ProjectionCandidate, + /// This is a trait matching with a projected type as `Self`, and we found + /// an applicable bound in the trait definition. The `usize` is an index + /// into the list returned by `tcx.item_bounds`. + ProjectionCandidate(usize), /// Implementation of a `Fn`-family trait by one of the anonymous types /// generated for a `||` expression. |