diff options
| -rw-r--r-- | src/librustc_typeck/check/method/suggest.rs | 6 | ||||
| -rw-r--r-- | src/librustdoc/clean/inline.rs | 10 |
2 files changed, 16 insertions, 0 deletions
diff --git a/src/librustc_typeck/check/method/suggest.rs b/src/librustc_typeck/check/method/suggest.rs index b8e26fc4871..f6ebf8b56bd 100644 --- a/src/librustc_typeck/check/method/suggest.rs +++ b/src/librustc_typeck/check/method/suggest.rs @@ -937,6 +937,12 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { // legal to implement. let mut candidates = all_traits(self.tcx) .into_iter() + // Don't issue suggestions for unstable traits since they're + // unlikely to be implementable anyway + .filter(|info| match self.tcx.lookup_stability(info.def_id) { + Some(attr) => attr.level.is_stable(), + None => true, + }) .filter(|info| { // We approximate the coherence rules to only suggest // traits that are legal to implement by requiring that diff --git a/src/librustdoc/clean/inline.rs b/src/librustdoc/clean/inline.rs index 78628b198a3..ee1c17bad9f 100644 --- a/src/librustdoc/clean/inline.rs +++ b/src/librustdoc/clean/inline.rs @@ -339,6 +339,16 @@ pub fn build_impl( return; } } + + // Skip foreign unstable traits from lists of trait implementations and + // such. This helps prevent dependencies of the standard library, for + // example, from getting documented as "traits `u32` implements" which + // isn't really too helpful. + if let Some(stab) = cx.tcx.lookup_stability(did) { + if stab.level.is_unstable() { + return; + } + } } let for_ = if let Some(did) = did.as_local() { |