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mark as visited on entry instead of left

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gfreezy 2018-12-22 22:40:41 +08:00
parent 0267df3815
commit c0add813e9
1 changed files with 2 additions and 2 deletions
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4
crates/ra_db/src/input.rs
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@ -118,9 +118,10 @@ impl CrateGraph {
self.arena[&crate_id].dependencies.iter()
}
fn dfs_find(&self, target: CrateId, from: CrateId, visited: &mut FxHashSet<CrateId>) -> bool {
if visited.contains(&from) {
if !visited.insert(from) {
return false;
}
for dep in self.dependencies(from) {
let crate_id = dep.crate_id();
if crate_id == target {
@ -131,7 +132,6 @@ impl CrateGraph {
return true;
}
}
visited.insert(from);
return false;
}
}