4 files changed, 21 insertions, 12 deletions

diff --git a/crates/ra_analysis/src/db/mod.rs b/crates/ra_analysis/src/db/mod.rs
index c84bfa7a8..081510daa 100644
--- a/crates/ra_analysis/src/db/mod.rs
+++ b/crates/ra_analysis/src/db/mod.rs
@@ -61,21 +61,12 @@ salsa::query_group! {
     }
 }
 
-#[derive(Default, Debug)]
+#[derive(Default, Debug, PartialEq, Eq)]
 pub(crate) struct FileSet {
     pub(crate) files: FxHashSet<FileId>,
     pub(crate) resolver: FileResolverImp,
 }
 
-impl PartialEq for FileSet {
-    fn eq(&self, other: &FileSet) -> bool {
-        self.files == other.files
-    }
-}
-
-impl Eq for FileSet {
-}
-
 impl Hash for FileSet {
     fn hash<H: Hasher>(&self, hasher: &mut H) {
         let mut files = self.files.iter().cloned().collect::<Vec<_>>();
diff --git a/crates/ra_analysis/src/imp.rs b/crates/ra_analysis/src/imp.rs
index 26f5e175b..6e6c022d9 100644
--- a/crates/ra_analysis/src/imp.rs
+++ b/crates/ra_analysis/src/imp.rs
@@ -3,6 +3,7 @@ use std::{
         Arc,
         atomic::{AtomicBool, Ordering::SeqCst},
     },
+    hash::{Hash, Hasher},
     fmt,
     collections::VecDeque,
     iter,
@@ -29,6 +30,21 @@ pub(crate) struct FileResolverImp {
     inner: Arc<FileResolver>
 }
 
+impl PartialEq for FileResolverImp {
+    fn eq(&self, other: &FileResolverImp) -> bool {
+        self.inner() == other.inner()
+    }
+}
+
+impl Eq for FileResolverImp {
+}
+
+impl Hash for FileResolverImp {
+    fn hash<H: Hasher>(&self, hasher: &mut H) {
+        self.inner().hash(hasher);
+    }
+}
+
 impl FileResolverImp {
     pub(crate) fn new(inner: Arc<FileResolver>) -> FileResolverImp {
         FileResolverImp { inner }
@@ -39,6 +55,9 @@ impl FileResolverImp {
     pub(crate) fn resolve(&self, file_id: FileId, path: &RelativePath) -> Option<FileId> {
         self.inner.resolve(file_id, path)
     }
+    fn inner(&self) -> *const FileResolver {
+        &*self.inner
+    }
 }
 
 impl Default for FileResolverImp {
diff --git a/crates/ra_analysis/src/roots.rs b/crates/ra_analysis/src/roots.rs
index 692a07ccd..766548c70 100644
--- a/crates/ra_analysis/src/roots.rs
+++ b/crates/ra_analysis/src/roots.rs
@@ -78,7 +78,6 @@ impl SourceRoot for WritableSourceRoot {
     fn contains(&self, file_id: FileId) -> bool {
         let db = self.db.read();
         let files = &db.file_set(()).files;
-        eprintln!("files = {:?}", files);
         files.contains(&file_id)
     }
     fn lines(&self, file_id: FileId) -> Arc<LineIndex> {
diff --git a/crates/ra_analysis/tests/tests.rs b/crates/ra_analysis/tests/tests.rs
index 755640fb4..2d3679fa9 100644
--- a/crates/ra_analysis/tests/tests.rs
+++ b/crates/ra_analysis/tests/tests.rs
@@ -238,4 +238,4 @@ fn bar() {
     assert_eq!(desc.params, vec!["&self".to_string(), "x".to_string()]);
     assert_eq!(desc.ret_type, None);
     assert_eq!(param, Some(1));
-}
\ No newline at end of file
+}