3 files changed, 35 insertions, 33 deletions

diff --git a/crates/ra_analysis/src/descriptors/module/imp.rs b/crates/ra_analysis/src/descriptors/module/imp.rs
index dae3a356d..1c102f4e5 100644
--- a/crates/ra_analysis/src/descriptors/module/imp.rs
+++ b/crates/ra_analysis/src/descriptors/module/imp.rs
@@ -1,24 +1,25 @@
 use std::sync::Arc;
 
-use relative_path::RelativePathBuf;
-use rustc_hash::{FxHashMap, FxHashSet};
 use ra_syntax::{
-    SmolStr,
     ast::{self, NameOwner},
+    SmolStr,
 };
+use relative_path::RelativePathBuf;
+use rustc_hash::{FxHashMap, FxHashSet};
 
 use crate::{
-    FileId, Cancelable, FileResolverImp, db,
-    input::{SourceRoot, SourceRootId},
+    db,
     descriptors::DescriptorDatabase,
+    input::{SourceRoot, SourceRootId},
+    Cancelable, FileId, FileResolverImp,
 };
 
-use super::{
-    ModuleData, ModuleTree, ModuleId, LinkId, LinkData, Problem, ModuleScope
-};
-
+use super::{LinkData, LinkId, ModuleData, ModuleId, ModuleScope, ModuleTree, Problem};
 
-pub(crate) fn submodules(db: &impl DescriptorDatabase, file_id: FileId) -> Cancelable<Arc<Vec<SmolStr>>> {
+pub(crate) fn submodules(
+    db: &impl DescriptorDatabase,
+    file_id: FileId,
+) -> Cancelable<Arc<Vec<SmolStr>>> {
     db::check_canceled(db)?;
     let file = db.file_syntax(file_id);
     let root = file.ast();
@@ -57,13 +58,11 @@ pub(crate) fn module_tree(
     Ok(Arc::new(res))
 }
 
-
 #[derive(Clone, Hash, PartialEq, Eq, Debug)]
 pub struct Submodule {
     pub name: SmolStr,
 }
 
-
 fn create_module_tree<'a>(
     db: &impl DescriptorDatabase,
     source_root: SourceRootId,
@@ -82,7 +81,15 @@ fn create_module_tree<'a>(
             continue; // TODO: use explicit crate_roots here
         }
         assert!(!roots.contains_key(&file_id));
-        let module_id = build_subtree(db, &source_root, &mut tree, &mut visited, &mut roots, None, file_id)?;
+        let module_id = build_subtree(
+            db,
+            &source_root,
+            &mut tree,
+            &mut visited,
+            &mut roots,
+            None,
+            file_id,
+        )?;
         roots.insert(file_id, module_id);
     }
     Ok(tree)
diff --git a/crates/ra_analysis/src/descriptors/module/mod.rs b/crates/ra_analysis/src/descriptors/module/mod.rs
index 667553f74..302e3e81c 100644
--- a/crates/ra_analysis/src/descriptors/module/mod.rs
+++ b/crates/ra_analysis/src/descriptors/module/mod.rs
@@ -1,8 +1,11 @@
 pub(super) mod imp;
 pub(crate) mod scope;
 
+use ra_syntax::{
+    ast::{self, AstNode, NameOwner},
+    SmolStr, SyntaxNode,
+};
 use relative_path::RelativePathBuf;
-use ra_syntax::{ast::{self, NameOwner, AstNode}, SmolStr, SyntaxNode};
 
 use crate::FileId;
 
@@ -16,9 +19,11 @@ pub(crate) struct ModuleTree {
 
 impl ModuleTree {
     pub(crate) fn modules_for_file(&self, file_id: FileId) -> Vec<ModuleId> {
-        self.mods.iter()
+        self.mods
+            .iter()
             .enumerate()
-            .filter(|(_idx, it)| it.file_id == file_id).map(|(idx, _)| ModuleId(idx as u32))
+            .filter(|(_idx, it)| it.file_id == file_id)
+            .map(|(idx, _)| ModuleId(idx as u32))
             .collect()
     }
 
@@ -50,7 +55,7 @@ impl ModuleId {
     }
     pub(crate) fn parent_link(self, tree: &ModuleTree) -> Option<LinkId> {
         tree.module(self).parent
-     }
+    }
     pub(crate) fn parent(self, tree: &ModuleTree) -> Option<ModuleId> {
         let link = self.parent_link(tree)?;
         Some(tree.link(link).owner)
@@ -69,18 +74,15 @@ impl ModuleId {
         curr
     }
     pub(crate) fn child(self, tree: &ModuleTree, name: &str) -> Option<ModuleId> {
-        let link = tree.module(self)
+        let link = tree
+            .module(self)
             .children
             .iter()
             .map(|&it| tree.link(it))
             .find(|it| it.name == name)?;
         Some(*link.points_to.first()?)
     }
-    pub(crate) fn problems(
-        self,
-        tree: &ModuleTree,
-        root: ast::Root,
-    ) -> Vec<(SyntaxNode, Problem)> {
+    pub(crate) fn problems(self, tree: &ModuleTree, root: ast::Root) -> Vec<(SyntaxNode, Problem)> {
         tree.module(self)
             .children
             .iter()
@@ -98,11 +100,7 @@ impl LinkId {
     pub(crate) fn owner(self, tree: &ModuleTree) -> ModuleId {
         tree.link(self).owner
     }
-    pub(crate) fn bind_source<'a>(
-        self,
-        tree: &ModuleTree,
-        root: ast::Root<'a>,
-    ) -> ast::Module<'a> {
+    pub(crate) fn bind_source<'a>(self, tree: &ModuleTree, root: ast::Root<'a>) -> ast::Module<'a> {
         imp::modules(root)
             .find(|(name, _)| name == &tree.link(self).name)
             .unwrap()
@@ -125,7 +123,6 @@ struct LinkData {
     problem: Option<Problem>,
 }
 
-
 impl ModuleTree {
     fn module(&self, id: ModuleId) -> &ModuleData {
         &self.mods[id.0 as usize]
@@ -152,4 +149,3 @@ impl ModuleTree {
         id
     }
 }
-
diff --git a/crates/ra_analysis/src/descriptors/module/scope.rs b/crates/ra_analysis/src/descriptors/module/scope.rs
index 846b8b44f..681e272c2 100644
--- a/crates/ra_analysis/src/descriptors/module/scope.rs
+++ b/crates/ra_analysis/src/descriptors/module/scope.rs
@@ -1,9 +1,8 @@
 //! Backend for module-level scope resolution & completion
 
-
 use ra_syntax::{
     ast::{self, ModuleItemOwner},
-    File, AstNode, SmolStr,
+    AstNode, File, SmolStr,
 };
 
 use crate::syntax_ptr::LocalSyntaxPtr;
@@ -103,7 +102,7 @@ fn collect_imports(tree: ast::UseTree, acc: &mut Vec<Entry>) {
 #[cfg(test)]
 mod tests {
     use super::*;
-    use ra_syntax::{File};
+    use ra_syntax::File;
 
     fn do_check(code: &str, expected: &[&str]) {
         let file = File::parse(&code);