remove some needlessly mutable references (clippy::needless_pass_by_ref_mut)

Author: danieleades

graphql_client_codegen/src/schema/graphql_parser_conversion.rs

@@ -151,7 +151,7 @@ where
         });
 }
 
-fn ingest_union<'doc, T>(schema: &mut Schema, union: &mut UnionType<'doc, T>)
+fn ingest_union<'doc, T>(schema: &mut Schema, union: &UnionType<'doc, T>)
 where
     T: graphql_parser::query::Text<'doc>,
 {
@@ -238,10 +238,8 @@ fn ingest_object_type_extension<'doc, T>(
     object.fields.extend(field_ids);
 }
 
-fn ingest_scalar<'doc, T>(
-    schema: &mut Schema,
-    scalar: &mut graphql_parser::schema::ScalarType<'doc, T>,
-) where
+fn ingest_scalar<'doc, T>(schema: &mut Schema, scalar: &graphql_parser::schema::ScalarType<'doc, T>)
+where
     T: graphql_parser::query::Text<'doc>,
 {
     let name: String = scalar.name.as_ref().into();

graphql_client_codegen/src/schema/json_conversion.rs

@@ -297,14 +297,11 @@ fn ingest_input(schema: &mut Schema, input: &mut FullType) {
     schema.stored_inputs.push(input);
 }
 
-fn resolve_field_type(schema: &mut Schema, typeref: &mut TypeRef) -> super::StoredFieldType {
+fn resolve_field_type(schema: &Schema, typeref: &mut TypeRef) -> super::StoredFieldType {
     from_json_type_inner(schema, typeref)
 }
 
-fn resolve_input_field_type(
-    schema: &mut Schema,
-    typeref: &mut TypeRef,
-) -> super::StoredInputFieldType {
+fn resolve_input_field_type(schema: &Schema, typeref: &mut TypeRef) -> super::StoredInputFieldType {
     let field_type = from_json_type_inner(schema, typeref);
 
     super::StoredInputFieldType {
@@ -324,7 +321,7 @@ fn json_type_qualifiers_depth(typeref: &mut TypeRef) -> usize {
     }
 }
 
-fn from_json_type_inner(schema: &mut Schema, inner: &mut TypeRef) -> super::StoredFieldType {
+fn from_json_type_inner(schema: &Schema, inner: &mut TypeRef) -> super::StoredFieldType {
     use crate::type_qualifiers::GraphqlTypeQualifier;
     use graphql_introspection_query::introspection_response::__TypeKind;