rust-lang/rust
1
0
Fork 0
Code Issues Pull Requests Actions 1 Packages Projects Releases Wiki Activity

Add ptr::Pointee trait (for all types) and ptr::metadata function

Browse Source 
RFC: https://github.com/rust-lang/rfcs/pull/2580
This commit is contained in:
Simon Sapin
2020-10-19 15:38:11 +02:00
parent 9503ea19ed
commit 696b239f72
17 changed files with 349 additions and 10 deletions
Download Patch File Download Diff File Expand all files Collapse all files

5
compiler/rustc_trait_selection/src/traits/select/confirmation.rs
View File

@@ -30,7 +30,8 @@ use crate::traits::{BuiltinDerivedObligation, ImplDerivedObligation};
use crate::traits::{
ImplSourceAutoImplData, ImplSourceBuiltinData, ImplSourceClosureData,
ImplSourceDiscriminantKindData, ImplSourceFnPointerData, ImplSourceGeneratorData,
ImplSourceObjectData, ImplSourceTraitAliasData, ImplSourceUserDefinedData,
ImplSourceObjectData, ImplSourcePointeeData, ImplSourceTraitAliasData,
ImplSourceUserDefinedData,
};
use crate::traits::{ObjectCastObligation, PredicateObligation, TraitObligation};
use crate::traits::{Obligation, ObligationCause};
@@ -99,6 +100,8 @@ impl<'cx, 'tcx> SelectionContext<'cx, 'tcx> {
Ok(ImplSource::DiscriminantKind(ImplSourceDiscriminantKindData))
}
PointeeCandidate => Ok(ImplSource::Pointee(ImplSourcePointeeData)),
TraitAliasCandidate(alias_def_id) => {
let data = self.confirm_trait_alias_candidate(obligation, alias_def_id);
Ok(ImplSource::TraitAlias(data))