diff options
Diffstat (limited to 'compiler/rustc_metadata/src/rmeta/decoder')
| -rw-r--r-- | compiler/rustc_metadata/src/rmeta/decoder/cstore_impl.rs | 8 |
1 files changed, 3 insertions, 5 deletions
diff --git a/compiler/rustc_metadata/src/rmeta/decoder/cstore_impl.rs b/compiler/rustc_metadata/src/rmeta/decoder/cstore_impl.rs index b46a92e2c1b..06b72d537c2 100644 --- a/compiler/rustc_metadata/src/rmeta/decoder/cstore_impl.rs +++ b/compiler/rustc_metadata/src/rmeta/decoder/cstore_impl.rs @@ -372,7 +372,7 @@ pub fn provide(providers: &mut Providers) { tcx.arena .alloc_slice(&CStore::from_tcx(tcx).crate_dependencies_in_postorder(LOCAL_CRATE)) }, - crates: |tcx, ()| tcx.arena.alloc_slice(&CStore::from_tcx(tcx).crates_untracked()), + crates: |tcx, ()| tcx.arena.alloc_from_iter(CStore::from_tcx(tcx).crates_untracked()), ..*providers }; @@ -449,10 +449,8 @@ impl CStore { self.get_crate_data(def.krate).def_kind(def.index) } - pub fn crates_untracked(&self) -> Vec<CrateNum> { - let mut result = vec![]; - self.iter_crate_data(|cnum, _| result.push(cnum)); - result + pub fn crates_untracked(&self) -> impl Iterator<Item = CrateNum> + '_ { + self.iter_crate_data().map(|(cnum, _)| cnum) } pub fn item_generics_num_lifetimes(&self, def_id: DefId, sess: &Session) -> usize { |