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we dont need both maps

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This commit is contained in:
Eh2406 2020-05-22 21:55:09 -04:00
parent 053d8279ae
commit 8418a3ae58
1 changed files with 12 additions and 18 deletions
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30
src/cargo/core/registry.rs
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@ -91,16 +91,13 @@ pub struct PackageRegistry<'cfg> {
type LockedMap = HashMap<
// The first level of key-ing done in this hash map is the source that
// dependencies come from, identified by a `SourceId`.
SourceId,
HashMap<
// This next level is keyed by the name of the package...
InternedString,
// ... and the value here is a list of tuples. The first element of each
// tuple is a package which has the source/name used to get to this
// point. The second element of each tuple is the list of locked
// dependencies that the first element has.
Vec<(PackageId, Vec<PackageId>)>,
>,
// The next level is keyed by the name of the package...
(SourceId, InternedString),
// ... and the value here is a list of tuples. The first element of each
// tuple is a package which has the source/name used to get to this
// point. The second element of each tuple is the list of locked
// dependencies that the first element has.
Vec<(PackageId, Vec<PackageId>)>,
>;
#[derive(PartialEq, Eq, Clone, Copy)]
@ -203,11 +200,10 @@ impl<'cfg> PackageRegistry<'cfg> {
for dep in deps.iter() {
trace!("\t-> {}", dep);
}
let sub_map = self
let sub_vec = self
.locked
.entry(id.source_id())
.or_insert_with(HashMap::new);
let sub_vec = sub_map.entry(id.name()).or_insert_with(Vec::new);
.entry((id.source_id(), id.name()))
.or_insert_with(Vec::new);
sub_vec.push((id, deps));
}
@ -637,8 +633,7 @@ fn lock(
summary: Summary,
) -> Summary {
let pair = locked
.get(&summary.source_id())
.and_then(|map| map.get(&summary.name()))
.get(&(summary.source_id(), summary.name()))
.and_then(|vec| vec.iter().find(|&&(id, _)| id == summary.package_id()));
trace!("locking summary of {}", summary.package_id());
@ -727,8 +722,7 @@ fn lock(
// all known locked packages to see if they match this dependency.
// If anything does then we lock it to that and move on.
let v = locked
.get(&dep.source_id())
.and_then(|map| map.get(&dep.package_name()))
.get(&(dep.source_id(), dep.package_name()))
.and_then(|vec| vec.iter().find(|&&(id, _)| dep.matches_id(id)));
if let Some(&(id, _)) = v {
trace!("\tsecond hit on {}", id);