Reduced size of Signal.

With the previous commit, it doubled, since it had to store 2 `Rc`s, but now it stores just one.

dynatos-reactive/src/signal.rs

@@ -9,22 +9,29 @@ use {
 	std::{cell::RefCell, fmt, mem, rc::Rc},
 };
 
-/// Signal
-pub struct Signal<T> {
+/// Inner
+struct Inner<T> {
 	/// Value
-	value: Rc<RefCell<T>>,
+	value: RefCell<T>,
 
 	/// Trigger
 	trigger: Trigger,
 }
 
+/// Signal
+pub struct Signal<T> {
+	/// Inner
+	inner: Rc<Inner<T>>,
+}
+
 impl<T> Signal<T> {
 	/// Creates a new signal
 	pub fn new(value: T) -> Self {
-		Self {
-			value:   Rc::new(RefCell::new(value)),
+		let inner = Inner {
+			value:   RefCell::new(value),
 			trigger: Trigger::new(),
-		}
+		};
+		Self { inner: Rc::new(inner) }
 	}
 }
 
@@ -47,10 +54,14 @@ impl<T> SignalWith for Signal<T> {
 		F: FnOnce(&Self::Value) -> O,
 	{
 		if let Some(effect) = Effect::running() {
-			self.trigger.add_subscriber(effect);
+			self.inner.trigger.add_subscriber(effect);
 		}
 
-		let value = self.value.try_borrow().expect("Cannot use signal value while updating");
+		let value = self
+			.inner
+			.value
+			.try_borrow()
+			.expect("Cannot use signal value while updating");
 		f(&value)
 	}
 }
@@ -77,6 +88,7 @@ impl<T> SignalUpdate for Signal<T> {
 		// Update the value and get the output
 		let output = {
 			let mut value = self
+				.inner
 				.value
 				.try_borrow_mut()
 				.expect("Cannot update signal value while using it");
@@ -84,7 +96,7 @@ impl<T> SignalUpdate for Signal<T> {
 		};
 
 		// Then trigger our trigger
-		self.trigger.trigger();
+		self.inner.trigger.trigger();
 
 		output
 	}
@@ -93,15 +105,17 @@ impl<T> SignalUpdate for Signal<T> {
 impl<T> Clone for Signal<T> {
 	fn clone(&self) -> Self {
 		Self {
-			value:   Rc::clone(&self.value),
-			trigger: self.trigger.clone(),
+			inner: Rc::clone(&self.inner),
 		}
 	}
 }
 
 impl<T: fmt::Debug> fmt::Debug for Signal<T> {
 	fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
-		f.debug_struct("Signal").field("value", &*self.value.borrow()).finish()
+		f.debug_struct("Signal")
+			.field("value", &*self.inner.value.borrow())
+			.field("trigger", &self.inner.trigger)
+			.finish()
 	}
 }