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implement With(Untracked) for Signal

This commit is contained in:
Greg Johnston 2024-05-06 21:02:26 -04:00
parent 00a536a5dc
commit 711175a760
1 changed files with 18 additions and 12 deletions
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30
reactive_graph/src/wrappers.rs
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@ -3,7 +3,7 @@ pub mod read {
computed::ArcMemo,
owner::StoredValue,
signal::ArcReadSignal,
traits::{DefinedAt, Get, GetUntracked},
traits::{DefinedAt, Get, GetUntracked, With, WithUntracked},
untrack,
};
use std::{panic::Location, sync::Arc};
@ -98,32 +98,38 @@ pub mod read {
}
}
impl<T> GetUntracked for ArcSignal<T>
impl<T> WithUntracked for ArcSignal<T>
where
T: Send + Sync + Clone,
T: Send + Sync,
{
type Value = T;
fn try_get_untracked(&self) -> Option<Self::Value> {
fn try_with_untracked<U>(
&self,
fun: impl FnOnce(&Self::Value) -> U,
) -> Option<U> {
match &self.inner {
SignalTypes::ReadSignal(i) => i.try_get_untracked(),
SignalTypes::Memo(i) => i.try_get_untracked(),
SignalTypes::DerivedSignal(i) => Some(untrack(|| i())),
SignalTypes::ReadSignal(i) => i.try_with_untracked(fun),
SignalTypes::Memo(i) => i.try_with_untracked(fun),
SignalTypes::DerivedSignal(i) => Some(untrack(|| fun(&i()))),
}
}
}
impl<T> Get for ArcSignal<T>
impl<T> With for ArcSignal<T>
where
T: Send + Sync + Clone,
{
type Value = T;
fn try_get(&self) -> Option<Self::Value> {
fn try_with<U>(
&self,
fun: impl FnOnce(&Self::Value) -> U,
) -> Option<U> {
match &self.inner {
SignalTypes::ReadSignal(i) => i.try_get(),
SignalTypes::Memo(i) => i.try_get(),
SignalTypes::DerivedSignal(i) => Some(i()),
SignalTypes::ReadSignal(i) => i.try_with(fun),
SignalTypes::Memo(i) => i.try_with(fun),
SignalTypes::DerivedSignal(i) => Some(fun(&i())),
}
}
}