Struct cached_path::Cache [−][src]
Fetches and manages resources in a local cache directory.
Fields
dir: PathBuf
The root directory of the cache.
Implementations
impl Cache
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pub fn new() -> Result<Self, Error>
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Create a new Cache
instance.
pub fn builder() -> CacheBuilder
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Create a CacheBuilder
.
pub fn cached_path(&self, resource: &str) -> Result<PathBuf, Error>
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Get the cached path to a resource.
If the resource is local file, it’s path is returned. If the resource is a static HTTP resource, it will cached locally and the path to the cache file will be returned.
pub fn cached_path_with_options(
&self,
resource: &str,
options: &Options
) -> Result<PathBuf, Error>
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&self,
resource: &str,
options: &Options
) -> Result<PathBuf, Error>
Get the cached path to a resource using the given options.
Examples
Use a particular subdirectory of the cache root:
let path = cache.cached_path_with_options( resource, &Options::default().subdir(subdir), ).unwrap();
Treat the resource as an archive and extract it. The path returned is the path to the extraction directory:
let path = cache.cached_path_with_options( resource, &Options::default().extract(), ).unwrap(); assert!(path.is_dir());
pub fn cached_path_in_subdir(
&self,
resource: &str,
subdir: Option<&str>
) -> Result<PathBuf, Error>
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&self,
resource: &str,
subdir: Option<&str>
) -> Result<PathBuf, Error>
Please use Cache::cached_path_with_options() instead
A convenience method to get the cached path to a resource using the given cache subdirectory (relative to the cache root).
This is equivalent to:
let path = cache.cached_path_with_options( resource, &Options::default().subdir(subdir), ).unwrap();
Trait Implementations
Auto Trait Implementations
impl !RefUnwindSafe for Cache
impl Send for Cache
impl Sync for Cache
impl Unpin for Cache
impl !UnwindSafe for Cache
Blanket Implementations
impl<T> Any for T where
T: 'static + ?Sized,
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T: 'static + ?Sized,
impl<T> Borrow<T> for T where
T: ?Sized,
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T: ?Sized,
impl<T> BorrowMut<T> for T where
T: ?Sized,
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T: ?Sized,
pub fn borrow_mut(&mut self) -> &mut T
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impl<T> From<T> for T
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impl<T> Instrument for T
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pub fn instrument(self, span: Span) -> Instrumented<Self>
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pub fn in_current_span(self) -> Instrumented<Self>
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impl<T, U> Into<U> for T where
U: From<T>,
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U: From<T>,
impl<T> Same<T> for T
type Output = T
Should always be Self
impl<T> ToOwned for T where
T: Clone,
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T: Clone,
type Owned = T
The resulting type after obtaining ownership.
pub fn to_owned(&self) -> T
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pub fn clone_into(&self, target: &mut T)
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impl<T, U> TryFrom<U> for T where
U: Into<T>,
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U: Into<T>,
type Error = Infallible
The type returned in the event of a conversion error.
pub fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>
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impl<T, U> TryInto<U> for T where
U: TryFrom<T>,
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U: TryFrom<T>,
type Error = <U as TryFrom<T>>::Error
The type returned in the event of a conversion error.
pub fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>
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impl<V, T> VZip<V> for T where
V: MultiLane<T>,
V: MultiLane<T>,