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FsCache

cross_proc_cache

Struct FsCache 

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pub struct FsCache<StoredData>
where
    StoredData: Encode + Decode<()>,
{ /* private fields */ }

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impl<StoredData> FsCache<StoredData>
where StoredData: Encode + Decode<()>,

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pub fn new(path: &Path, fingerprint: &str) -> Result<Self>

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pub fn load(&self, f: impl Fn() -> StoredData) -> Result<StoredData>

Create or open a fingerprinted cache at path.

If the existing on-disk fingerprint differs from fingerprint, the data is generated by f and written to disk and the fingerprint file is updated. Otherwise the existing data is reused.

Auto Trait Implementations§

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impl<StoredData> Freeze for FsCache<StoredData>

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impl<StoredData> RefUnwindSafe for FsCache<StoredData>
where StoredData: RefUnwindSafe,

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impl<StoredData> Send for FsCache<StoredData>
where StoredData: Send,

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impl<StoredData> Sync for FsCache<StoredData>
where StoredData: Sync,

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impl<StoredData> Unpin for FsCache<StoredData>
where StoredData: Unpin,

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impl<StoredData> UnsafeUnpin for FsCache<StoredData>

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impl<StoredData> UnwindSafe for FsCache<StoredData>
where StoredData: UnwindSafe,

Blanket Implementations§

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impl<T> Any for T
where T: 'static + ?Sized,

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fn type_id(&self) -> TypeId

Gets the TypeId of self. Read more
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impl<T> Borrow<T> for T
where T: ?Sized,

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fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more
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impl<T> BorrowMut<T> for T
where T: ?Sized,

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fn borrow_mut(&mut self) -> &mut T

Mutably borrows from an owned value. Read more
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impl<T> From<T> for T

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fn from(t: T) -> T

Returns the argument unchanged.

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impl<T, U> Into<U> for T
where U: From<T>,

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fn into(self) -> U

Calls U::from(self).

That is, this conversion is whatever the implementation of From<T> for U chooses to do.

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impl<T, U> TryFrom<U> for T
where U: Into<T>,

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type Error = Infallible

The type returned in the event of a conversion error.
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fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>

Performs the conversion.
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impl<T, U> TryInto<U> for T
where U: TryFrom<T>,

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type Error = <U as TryFrom<T>>::Error

The type returned in the event of a conversion error.
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fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>

Performs the conversion.