1 files changed, 76 insertions, 0 deletions
diff --git a/src/castable_factory.rs b/src/castable_factory.rs
new file mode 100644
index 0000000..5d582bb
--- /dev/null
+++ b/src/castable_factory.rs
@@ -0,0 +1,76 @@
+use crate::interfaces::factory::IFactory;
+use crate::libs::intertrait::CastFrom;
+use crate::ptr::InterfacePtr;
+
+pub trait AnyFactory: CastFrom {}
+
+pub struct CastableFactory<Args, ReturnInterface>
+where
+    Args: 'static,
+    ReturnInterface: 'static + ?Sized,
+{
+    func: &'static dyn Fn<Args, Output = InterfacePtr<ReturnInterface>>,
+}
+
+impl<Args, ReturnInterface> CastableFactory<Args, ReturnInterface>
+where
+    Args: 'static,
+    ReturnInterface: 'static + ?Sized,
+{
+    pub fn new(
+        func: &'static dyn Fn<Args, Output = InterfacePtr<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 = InterfacePtr<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,
+{
+}