address clippy::all lints (#486)

integration_tests/async_await/src/main.rs

@@ -20,14 +20,13 @@ impl User {
     }
 
     async fn friends(&self) -> Vec<User> {
-        let friends = (0..10)
+        (0..10)
             .map(|index| User {
                 id: index,
                 name: format!("user{}", index),
                 kind: UserKind::User,
             })
-            .collect();
-        friends
+            .collect()
     }
 
     async fn kind(&self) -> &UserKind {

juniper/src/tests/model.rs

@@ -242,10 +242,7 @@ impl Database {
             ),
         );
 
-        Database {
-            humans: humans,
-            droids: droids,
-        }
+        Database { humans, droids }
     }
 
     pub fn get_hero(&self, episode: Option<Episode>) -> &dyn Character {

juniper_codegen/src/impl_object.rs

@@ -58,7 +58,7 @@ pub fn build_object(args: TokenStream, body: TokenStream, is_internal: bool) ->
         .or(util::get_doc_comment(&_impl.attrs));
 
     let mut definition = util::GraphQLTypeDefiniton {
-        name: name,
+        name,
         _type: target_type.clone(),
         context: impl_attrs.context,
         scalar: impl_attrs.scalar,

juniper_codegen/src/util/mod.rs

@@ -509,9 +509,7 @@ impl parse::Parse for FieldAttribute {
                 } else {
                     None
                 };
-                Ok(FieldAttribute::Deprecation(DeprecationAttr {
-                    reason: reason,
-                }))
+                Ok(FieldAttribute::Deprecation(DeprecationAttr { reason }))
             }
             "skip" => Ok(FieldAttribute::Skip(ident)),
             "arguments" => {

juniper_iron/src/lib.rs

@@ -155,11 +155,11 @@ where
         QueryT: GraphQLType<S, Context = CtxT>,
         MutationT: GraphQLType<S, Context = CtxT>,
     {
-        match self {
-            &GraphQLBatchRequest::Single(ref request) => {
+        match *self {
+            GraphQLBatchRequest::Single(ref request) => {
                 GraphQLBatchResponse::Single(request.execute(root_node, context))
             }
-            &GraphQLBatchRequest::Batch(ref requests) => GraphQLBatchResponse::Batch(
+            GraphQLBatchRequest::Batch(ref requests) => GraphQLBatchResponse::Batch(
                 requests
                     .iter()
                     .map(|request| request.execute(root_node, context))
@@ -174,11 +174,11 @@ where
     S: ScalarValue,
 {
     fn is_ok(&self) -> bool {
-        match self {
-            &GraphQLBatchResponse::Single(ref response) => response.is_ok(),
-            &GraphQLBatchResponse::Batch(ref responses) => responses
-                .iter()
-                .fold(true, |ok, response| ok && response.is_ok()),
+        match *self {
+            GraphQLBatchResponse::Single(ref response) => response.is_ok(),
+            GraphQLBatchResponse::Batch(ref responses) => {
+                responses.iter().all(|response| response.is_ok())
+            }
         }
     }
 }
@@ -263,7 +263,7 @@ where
     /// the schema needs to execute the query.
     pub fn new(context_factory: CtxFactory, query: Query, mutation: Mutation) -> Self {
         GraphQLHandler {
-            context_factory: context_factory,
+            context_factory,
             root_node: RootNode::new(query, mutation),
         }
     }
@@ -513,9 +513,9 @@ mod tests {
         let body = response::extract_body_to_string(response);
 
         http_tests::TestResponse {
-            status_code: status_code,
+            status_code,
             body: Some(body),
-            content_type: content_type,
+            content_type,
         }
     }
 

rustfmt.toml

@@ -1 +1,2 @@
 merge_imports = true
+use_field_init_shorthand = true