feat: implement async functionality

3 files changed, 164 insertions, 0 deletions

diff --git a/src/castable_factory/blocking.rs b/src/castable_factory/blocking.rs
new file mode 100644
index 0000000..5ff4db0
--- /dev/null
+++ b/src/castable_factory/blocking.rs
@@ -0,0 +1,74 @@
+use crate::interfaces::any_factory::AnyFactory;
+use crate::interfaces::factory::IFactory;
+use crate::ptr::TransientPtr;
+
+pub struct CastableFactory<Args, ReturnInterface>
+where
+    Args: 'static,
+    ReturnInterface: 'static + ?Sized,
+{
+    func: &'static dyn Fn<Args, Output = TransientPtr<ReturnInterface>>,
+}
+
+impl<Args, ReturnInterface> CastableFactory<Args, ReturnInterface>
+where
+    Args: 'static,
+    ReturnInterface: 'static + ?Sized,
+{
+    pub fn new(
+        func: &'static dyn Fn<Args, Output = TransientPtr<ReturnInterface>>,
+    ) -> Self
+    {
+        Self { func }
+    }
+}
+
+impl<Args, ReturnInterface> IFactory<Args, ReturnInterface>
+    for CastableFactory<Args, ReturnInterface>
+where
+    Args: 'static,
+    ReturnInterface: 'static + ?Sized,
+{
+}
+
+impl<Args, ReturnInterface> Fn<Args> for CastableFactory<Args, ReturnInterface>
+where
+    Args: 'static,
+    ReturnInterface: 'static + ?Sized,
+{
+    extern "rust-call" fn call(&self, args: Args) -> Self::Output
+    {
+        self.func.call(args)
+    }
+}
+
+impl<Args, ReturnInterface> FnMut<Args> for CastableFactory<Args, ReturnInterface>
+where
+    Args: 'static,
+    ReturnInterface: 'static + ?Sized,
+{
+    extern "rust-call" fn call_mut(&mut self, args: Args) -> Self::Output
+    {
+        self.call(args)
+    }
+}
+
+impl<Args, ReturnInterface> FnOnce<Args> for CastableFactory<Args, ReturnInterface>
+where
+    Args: 'static,
+    ReturnInterface: 'static + ?Sized,
+{
+    type Output = TransientPtr<ReturnInterface>;
+
+    extern "rust-call" fn call_once(self, args: Args) -> Self::Output
+    {
+        self.call(args)
+    }
+}
+
+impl<Args, ReturnInterface> AnyFactory for CastableFactory<Args, ReturnInterface>
+where
+    Args: 'static,
+    ReturnInterface: 'static + ?Sized,
+{
+}
diff --git a/src/castable_factory/mod.rs b/src/castable_factory/mod.rs
new file mode 100644
index 0000000..530cc82
--- /dev/null
+++ b/src/castable_factory/mod.rs
@@ -0,0 +1,2 @@
+pub mod blocking;
+pub mod threadsafe;
diff --git a/src/castable_factory/threadsafe.rs b/src/castable_factory/threadsafe.rs
new file mode 100644
index 0000000..7be055c
--- /dev/null
+++ b/src/castable_factory/threadsafe.rs
@@ -0,0 +1,88 @@
+#![allow(clippy::module_name_repetitions)]
+use crate::interfaces::any_factory::{AnyFactory, AnyThreadsafeFactory};
+use crate::interfaces::factory::IFactory;
+use crate::ptr::TransientPtr;
+
+pub struct ThreadsafeCastableFactory<Args, ReturnInterface>
+where
+    Args: 'static,
+    ReturnInterface: 'static + ?Sized,
+{
+    func: &'static (dyn Fn<Args, Output = TransientPtr<ReturnInterface>> + Send + Sync),
+}
+
+impl<Args, ReturnInterface> ThreadsafeCastableFactory<Args, ReturnInterface>
+where
+    Args: 'static,
+    ReturnInterface: 'static + ?Sized,
+{
+    pub fn new(
+        func: &'static (dyn Fn<Args, Output = TransientPtr<ReturnInterface>>
+                      + Send
+                      + Sync),
+    ) -> Self
+    {
+        Self { func }
+    }
+}
+
+impl<Args, ReturnInterface> IFactory<Args, ReturnInterface>
+    for ThreadsafeCastableFactory<Args, ReturnInterface>
+where
+    Args: 'static,
+    ReturnInterface: 'static + ?Sized,
+{
+}
+
+impl<Args, ReturnInterface> Fn<Args> for ThreadsafeCastableFactory<Args, ReturnInterface>
+where
+    Args: 'static,
+    ReturnInterface: 'static + ?Sized,
+{
+    extern "rust-call" fn call(&self, args: Args) -> Self::Output
+    {
+        self.func.call(args)
+    }
+}
+
+impl<Args, ReturnInterface> FnMut<Args>
+    for ThreadsafeCastableFactory<Args, ReturnInterface>
+where
+    Args: 'static,
+    ReturnInterface: 'static + ?Sized,
+{
+    extern "rust-call" fn call_mut(&mut self, args: Args) -> Self::Output
+    {
+        self.call(args)
+    }
+}
+
+impl<Args, ReturnInterface> FnOnce<Args>
+    for ThreadsafeCastableFactory<Args, ReturnInterface>
+where
+    Args: 'static,
+    ReturnInterface: 'static + ?Sized,
+{
+    type Output = TransientPtr<ReturnInterface>;
+
+    extern "rust-call" fn call_once(self, args: Args) -> Self::Output
+    {
+        self.call(args)
+    }
+}
+
+impl<Args, ReturnInterface> AnyFactory
+    for ThreadsafeCastableFactory<Args, ReturnInterface>
+where
+    Args: 'static,
+    ReturnInterface: 'static + ?Sized,
+{
+}
+
+impl<Args, ReturnInterface> AnyThreadsafeFactory
+    for ThreadsafeCastableFactory<Args, ReturnInterface>
+where
+    Args: 'static,
+    ReturnInterface: 'static + ?Sized,
+{
+}