34 lines
684 B
Rust
34 lines
684 B
Rust
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use crate::Primitive;
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use std::sync::Arc;
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/// A piece of data that can be cached.
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pub trait Cached: Sized {
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/// The type of cache produced.
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type Cache;
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/// Loads the [`Cache`] into a proper instance.
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///
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/// [`Cache`]: Self::Cache
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fn load(cache: &Self::Cache) -> Self;
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/// Caches this value, producing its corresponding [`Cache`].
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///
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/// [`Cache`]: Self::Cache
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fn cache(self) -> Self::Cache;
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}
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impl<T> Cached for Primitive<T> {
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type Cache = Arc<Self>;
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fn load(cache: &Arc<Self>) -> Self {
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Self::Cache {
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content: cache.clone(),
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}
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}
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fn cache(self) -> Arc<Self> {
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Arc::new(self)
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}
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}
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