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Use structs not enums for Synchronicity types

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Shadowfacts 2024-10-31 22:46:36 -04:00
parent 5998bbe116
commit 1ac8f4ead4
1 changed files with 4 additions and 4 deletions
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8
crates/graph/src/lib.rs
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@ -36,7 +36,7 @@ pub trait Synchronicity: 'static {
fn make_update_result<'a>() -> Self::UpdateResult<'a>; fn make_update_result<'a>() -> Self::UpdateResult<'a>;
} }
pub enum Synchronous {} pub struct Synchronous;
impl Synchronicity for Synchronous { impl Synchronicity for Synchronous {
type UpdateFn = Box<dyn Fn(&mut Box<dyn Any>) -> ()>; type UpdateFn = Box<dyn Fn(&mut Box<dyn Any>) -> ()>;
@ -53,7 +53,7 @@ impl Synchronicity for Synchronous {
fn make_update_result<'a>() -> Self::UpdateResult<'a> {} fn make_update_result<'a>() -> Self::UpdateResult<'a> {}
} }
pub enum Asynchronous {} pub struct Asynchronous;
impl Synchronicity for Asynchronous { impl Synchronicity for Asynchronous {
type UpdateFn = type UpdateFn =
@ -480,7 +480,7 @@ impl<V: Clone + 'static, S: Synchronicity> Node<V, S> for ConstNode<V, S> {
fn visit_inputs(&self, _visitor: &mut dyn FnMut(NodeIndex<u32>) -> ()) {} fn visit_inputs(&self, _visitor: &mut dyn FnMut(NodeIndex<u32>) -> ()) {}
fn update(&mut self) -> <S as Synchronicity>::UpdateResult<'_> { fn update(&mut self) -> S::UpdateResult<'_> {
unreachable!() unreachable!()
} }
@ -526,7 +526,7 @@ impl<R: Rule, S: Synchronicity> Node<R::Output, S> for RuleNode<R, R::Output, S>
self.rule.visit_inputs(&mut InputIndexVisitor(visitor)); self.rule.visit_inputs(&mut InputIndexVisitor(visitor));
} }
fn update(&mut self) -> <S as Synchronicity>::UpdateResult<'_> { fn update(&mut self) -> S::UpdateResult<'_> {
let new_value = self.rule.evaluate(); let new_value = self.rule.evaluate();
self.valid = true; self.valid = true;
*self.value.borrow_mut() = Some(new_value); *self.value.borrow_mut() = Some(new_value);