From 080cc42bb1da09059dbc35049a7ded0649961e0c Mon Sep 17 00:00:00 2001
From: HampusM <hampus@hampusmat.com>
Date: Mon, 29 Aug 2022 20:52:56 +0200
Subject: feat: implement async functionality

---
 src/ptr.rs | 89 ++++++++++++++++++++++++++++++++++++++++++++------------------
 1 file changed, 63 insertions(+), 26 deletions(-)

(limited to 'src/ptr.rs')

diff --git a/src/ptr.rs b/src/ptr.rs
index 44fc15c..33f8a95 100644
--- a/src/ptr.rs
+++ b/src/ptr.rs
@@ -2,10 +2,11 @@
 
 //! Smart pointer type aliases.
 use std::rc::Rc;
+use std::sync::Arc;
 
 use paste::paste;
 
-use crate::errors::ptr::SomePtrError;
+use crate::errors::ptr::{SomePtrError, SomeThreadsafePtrError};
 
 /// A smart pointer for a interface in the transient scope.
 pub type TransientPtr<Interface> = Box<Interface>;
@@ -13,44 +14,34 @@ pub type TransientPtr<Interface> = Box<Interface>;
 /// A smart pointer to a interface in the singleton scope.
 pub type SingletonPtr<Interface> = Rc<Interface>;
 
+/// A threadsafe smart pointer to a interface in the singleton scope.
+pub type ThreadsafeSingletonPtr<Interface> = Arc<Interface>;
+
 /// A smart pointer to a factory.
 #[cfg(feature = "factory")]
 pub type FactoryPtr<FactoryInterface> = Rc<FactoryInterface>;
 
-/// Some smart pointer.
-#[derive(strum_macros::IntoStaticStr)]
-pub enum SomePtr<Interface>
-where
-    Interface: 'static + ?Sized,
-{
-    /// A smart pointer to a interface in the transient scope.
-    Transient(TransientPtr<Interface>),
-
-    /// A smart pointer to a interface in the singleton scope.
-    Singleton(SingletonPtr<Interface>),
-
-    /// A smart pointer to a factory.
-    #[cfg(feature = "factory")]
-    Factory(FactoryPtr<Interface>),
-}
+/// A threadsafe smart pointer to a factory.
+#[cfg(feature = "factory")]
+pub type ThreadsafeFactoryPtr<FactoryInterface> = Arc<FactoryInterface>;
 
 macro_rules! create_as_variant_fn {
-    ($variant: ident) => {
+    ($enum: ident, $variant: ident) => {
         paste! {
             #[doc =
-                "Returns as " [<$variant:lower>] ".\n"
+                "Returns as the `" [<$variant>] "` variant.\n"
                 "\n"
                 "# Errors\n"
-                "Will return Err if it's not a " [<$variant:lower>] "."
+                "Will return Err if it's not the `" [<$variant>] "` variant."
             ]
-            pub fn [<$variant:lower>](self) -> Result<[<$variant Ptr>]<Interface>, SomePtrError>
+            pub fn [<$variant:snake>](self) -> Result<[<$variant Ptr>]<Interface>, [<$enum Error>]>
             {
-                if let SomePtr::$variant(ptr) = self {
+                if let $enum::$variant(ptr) = self {
                     return Ok(ptr);
                 }
 
 
-                Err(SomePtrError::WrongPtrType {
+                Err([<$enum Error>]::WrongPtrType {
                     expected: stringify!($variant),
                     found: self.into()
                 })
@@ -59,14 +50,60 @@ macro_rules! create_as_variant_fn {
     };
 }
 
+/// Some smart pointer.
+#[derive(strum_macros::IntoStaticStr)]
+pub enum SomePtr<Interface>
+where
+    Interface: 'static + ?Sized,
+{
+    /// A smart pointer to a interface in the transient scope.
+    Transient(TransientPtr<Interface>),
+
+    /// A smart pointer to a interface in the singleton scope.
+    Singleton(SingletonPtr<Interface>),
+
+    /// A smart pointer to a factory.
+    #[cfg(feature = "factory")]
+    Factory(FactoryPtr<Interface>),
+}
+
 impl<Interface> SomePtr<Interface>
 where
     Interface: 'static + ?Sized,
 {
-    create_as_variant_fn!(Transient);
+    create_as_variant_fn!(SomePtr, Transient);
+
+    create_as_variant_fn!(SomePtr, Singleton);
+
+    #[cfg(feature = "factory")]
+    create_as_variant_fn!(SomePtr, Factory);
+}
+
+/// Some threadsafe smart pointer.
+#[derive(strum_macros::IntoStaticStr)]
+pub enum SomeThreadsafePtr<Interface>
+where
+    Interface: 'static + ?Sized,
+{
+    /// A smart pointer to a interface in the transient scope.
+    Transient(TransientPtr<Interface>),
+
+    /// A smart pointer to a interface in the singleton scope.
+    ThreadsafeSingleton(ThreadsafeSingletonPtr<Interface>),
+
+    /// A smart pointer to a factory.
+    #[cfg(feature = "factory")]
+    ThreadsafeFactory(ThreadsafeFactoryPtr<Interface>),
+}
+
+impl<Interface> SomeThreadsafePtr<Interface>
+where
+    Interface: 'static + ?Sized,
+{
+    create_as_variant_fn!(SomeThreadsafePtr, Transient);
 
-    create_as_variant_fn!(Singleton);
+    create_as_variant_fn!(SomeThreadsafePtr, ThreadsafeSingleton);
 
     #[cfg(feature = "factory")]
-    create_as_variant_fn!(Factory);
+    create_as_variant_fn!(SomeThreadsafePtr, ThreadsafeFactory);
 }
-- 
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