refactor: remove unnecessary cloning of impl generics & self type

2 files changed, 13 insertions, 21 deletions

diff --git a/macros/src/injectable/implementation.rs b/macros/src/injectable/implementation.rs
index 34c5437..a590ee4 100644
--- a/macros/src/injectable/implementation.rs
+++ b/macros/src/injectable/implementation.rs
@@ -3,16 +3,7 @@ use std::error::Error;
 use proc_macro2::{Ident, Span};
 use quote::{format_ident, quote, ToTokens};
 use syn::spanned::Spanned;
-use syn::{
-    parse_str,
-    ExprMethodCall,
-    FnArg,
-    Generics,
-    ImplItemMethod,
-    ItemImpl,
-    ReturnType,
-    Type,
-};
+use syn::{parse_str, ExprMethodCall, FnArg, ImplItemMethod, ItemImpl, ReturnType, Type};
 
 use crate::injectable::dependency::{DependencyError, IDependency};
 use crate::util::error::diagnostic_error_enum;
@@ -25,10 +16,8 @@ const DEPENDENCY_HISTORY_VAR_NAME: &str = "dependency_history";
 
 pub struct InjectableImpl<Dep: IDependency>
 {
-    pub dependencies: Vec<Dep>,
-    pub self_type: Type,
-    pub generics: Generics,
-    pub original_impl: ItemImpl,
+    dependencies: Vec<Dep>,
+    original_impl: ItemImpl,
 
     constructor_method: ImplItemMethod,
 }
@@ -71,8 +60,6 @@ impl<Dep: IDependency> InjectableImpl<Dep>
 
         Ok(Self {
             dependencies,
-            self_type: item_impl.self_ty.as_ref().clone(),
-            generics: item_impl.generics.clone(),
             original_impl: item_impl,
             constructor_method,
         })
@@ -136,6 +123,11 @@ impl<Dep: IDependency> InjectableImpl<Dep>
         Ok(())
     }
 
+    pub fn self_type(&self) -> &Type
+    {
+        &self.original_impl.self_ty
+    }
+
     #[cfg(not(tarpaulin_include))]
     pub fn expand(&self, no_doc_hidden: bool, is_async: bool)
         -> proc_macro2::TokenStream
@@ -210,8 +202,8 @@ impl<Dep: IDependency> InjectableImpl<Dep>
         get_dep_method_calls: &Vec<proc_macro2::TokenStream>,
     ) -> proc_macro2::TokenStream
     {
-        let generics = &self.generics;
-        let self_type = &self.self_type;
+        let generics = &self.original_impl.generics;
+        let self_type = &self.original_impl.self_ty;
         let constructor = &self.constructor_method.sig.ident;
 
         let dependency_idents = (0..get_dep_method_calls.len())
@@ -273,8 +265,8 @@ impl<Dep: IDependency> InjectableImpl<Dep>
         get_dep_method_calls: &Vec<proc_macro2::TokenStream>,
     ) -> proc_macro2::TokenStream
     {
-        let generics = &self.generics;
-        let self_type = &self.self_type;
+        let generics = &self.original_impl.generics;
+        let self_type = &self.original_impl.self_ty;
         let constructor = &self.constructor_method.sig.ident;
 
         quote! {
diff --git a/macros/src/lib.rs b/macros/src/lib.rs
index 78895be..6bf5ac1 100644
--- a/macros/src/lib.rs
+++ b/macros/src/lib.rs
@@ -239,7 +239,7 @@ pub fn injectable(args_stream: TokenStream, input_stream: TokenStream) -> TokenS
 
     let expanded_injectable_impl = injectable_impl.expand(no_doc_hidden, is_async);
 
-    let self_type = &injectable_impl.self_type;
+    let self_type = injectable_impl.self_type();
 
     let opt_interface = args.interface.map(Type::Path).or_else(|| {
         if no_declare_concrete_interface {