Some clippy cleanups

6 files changed, 12 insertions, 12 deletions

diff --git a/crates/ra_hir/src/expr.rs b/crates/ra_hir/src/expr.rs
index f9f702ae2..6826e966b 100644
--- a/crates/ra_hir/src/expr.rs
+++ b/crates/ra_hir/src/expr.rs
@@ -805,7 +805,7 @@ impl ExprCollector {
                 let lit = match child.flavor() {
                     LiteralFlavor::IntNumber { suffix } => {
                         let known_name = suffix
-                            .map(|s| Name::new(s))
+                            .map(Name::new)
                             .and_then(|name| UncertainIntTy::from_name(&name));
 
                         Literal::Int(
@@ -815,7 +815,7 @@ impl ExprCollector {
                     }
                     LiteralFlavor::FloatNumber { suffix } => {
                         let known_name = suffix
-                            .map(|s| Name::new(s))
+                            .map(Name::new)
                             .and_then(|name| UncertainFloatTy::from_name(&name));
 
                         Literal::Float(
@@ -910,7 +910,7 @@ impl ExprCollector {
             }
             ast::PatKind::PathPat(p) => {
                 let path = p.path().and_then(Path::from_ast);
-                path.map(|path| Pat::Path(path)).unwrap_or(Pat::Missing)
+                path.map(Pat::Path).unwrap_or(Pat::Missing)
             }
             ast::PatKind::TuplePat(p) => {
                 let args = p.args().map(|p| self.collect_pat(p)).collect();
diff --git a/crates/ra_hir/src/expr/scope.rs b/crates/ra_hir/src/expr/scope.rs
index 9202e3671..368994bf7 100644
--- a/crates/ra_hir/src/expr/scope.rs
+++ b/crates/ra_hir/src/expr/scope.rs
@@ -105,7 +105,7 @@ impl ExprScopes {
     fn add_params_bindings(&mut self, scope: ScopeId, params: &[PatId]) {
         let body = Arc::clone(&self.body);
         params
-            .into_iter()
+            .iter()
             .for_each(|pat| self.add_bindings(&body, scope, *pat));
     }
 
@@ -147,7 +147,7 @@ impl ScopesWithSyntaxMapping {
         })
     }
 
-    pub fn scope_for_offset<'a>(&'a self, offset: TextUnit) -> Option<ScopeId> {
+    pub fn scope_for_offset(&self, offset: TextUnit) -> Option<ScopeId> {
         self.scopes
             .scope_for
             .iter()
diff --git a/crates/ra_hir/src/impl_block.rs b/crates/ra_hir/src/impl_block.rs
index 738c58fbe..094dbedb3 100644
--- a/crates/ra_hir/src/impl_block.rs
+++ b/crates/ra_hir/src/impl_block.rs
@@ -72,7 +72,7 @@ impl ImplBlock {
     }
 
     pub fn module(&self) -> Module {
-        self.module_impl_blocks.module.clone()
+        self.module_impl_blocks.module
     }
 
     pub fn target_trait_ref(&self) -> Option<&TypeRef> {
diff --git a/crates/ra_hir/src/resolve.rs b/crates/ra_hir/src/resolve.rs
index 5ca7bacb5..0f60d4742 100644
--- a/crates/ra_hir/src/resolve.rs
+++ b/crates/ra_hir/src/resolve.rs
@@ -78,7 +78,7 @@ impl Resolver {
                 _ => return PerNs::none(),
             };
             let module_res = item_map.resolve_path(db, module, path);
-            module_res.map(|def| Resolution::Def(def))
+            module_res.map(Resolution::Def)
         }
     }
 
diff --git a/crates/ra_hir/src/ty.rs b/crates/ra_hir/src/ty.rs
index cc5afad75..86a7f8b83 100644
--- a/crates/ra_hir/src/ty.rs
+++ b/crates/ra_hir/src/ty.rs
@@ -1225,7 +1225,7 @@ impl<'a, D: HirDatabase> InferenceContext<'a, D> {
                     Ty::Tuple(ref tuple_args) => &**tuple_args,
                     _ => &[],
                 };
-                let expectations_iter = expectations.into_iter().chain(repeat(&Ty::Unknown));
+                let expectations_iter = expectations.iter().chain(repeat(&Ty::Unknown));
 
                 let inner_tys = args
                     .iter()
@@ -1398,10 +1398,10 @@ impl<'a, D: HirDatabase> InferenceContext<'a, D> {
                 let method_ty = self.insert_type_vars(method_ty);
                 let (expected_receiver_ty, param_tys, ret_ty) = match &method_ty {
                     Ty::FnPtr(sig) => {
-                        if sig.input.len() > 0 {
+                        if !sig.input.is_empty() {
                             (
                                 sig.input[0].clone(),
-                                sig.input[1..].iter().cloned().collect(),
+                                sig.input[1..].to_vec(),
                                 sig.output.clone(),
                             )
                         } else {
@@ -1411,7 +1411,7 @@ impl<'a, D: HirDatabase> InferenceContext<'a, D> {
                     Ty::FnDef { substs, sig, .. } => {
                         let ret_ty = sig.output.clone().subst(&substs);
 
-                        if sig.input.len() > 0 {
+                        if !sig.input.is_empty() {
                             let mut arg_iter = sig.input.iter().map(|ty| ty.clone().subst(&substs));
                             let receiver_ty = arg_iter.next().unwrap();
                             (receiver_ty, arg_iter.collect(), ret_ty)
diff --git a/crates/ra_hir/src/ty/method_resolution.rs b/crates/ra_hir/src/ty/method_resolution.rs
index 2282286b0..a7d4517ee 100644
--- a/crates/ra_hir/src/ty/method_resolution.rs
+++ b/crates/ra_hir/src/ty/method_resolution.rs
@@ -113,7 +113,7 @@ impl CrateImplBlocks {
         krate: Crate,
     ) -> Arc<CrateImplBlocks> {
         let mut crate_impl_blocks = CrateImplBlocks {
-            krate: krate.clone(),
+            krate,
             impls: FxHashMap::default(),
             impls_by_trait: FxHashMap::default(),
         };