Struct File

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pub struct File {
    handle: Arc<dyn FileHandle>,
}

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§handle: Arc<dyn FileHandle>

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impl File

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pub fn open_with_manager(path: String, manager: &VfsManager) -> Result<Self>

Open a file using a specific VFS manager

§Arguments
  • path - The path to the file
  • manager - The VFS manager to use
§Returns
  • Result<File> - The opened file object
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pub fn read(&mut self, buffer: &mut [u8]) -> Result<usize>

Read data from the file

§Arguments
  • buffer - The buffer to read data into
§Returns
  • Result<usize> - The number of bytes read
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pub fn write(&mut self, buffer: &[u8]) -> Result<usize>

Write data to the file

§Arguments
  • buffer - The buffer containing data to write
§Returns
  • Result<usize> - The number of bytes written
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pub fn seek(&mut self, whence: SeekFrom) -> Result<u64>

Change the position within the file

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pub fn metadata(&self) -> Result<FileMetadata>

Get the metadata of the file

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pub fn size(&self) -> Result<usize>

Get the size of the file

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pub fn read_all(&mut self) -> Result<Vec<u8>>

Read the entire contents of the file

Trait Implementations§

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impl Clone for File

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fn clone(&self) -> File

Returns a copy of the value. Read more
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fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source. Read more
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impl Drop for File

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fn drop(&mut self)

Executes the destructor for this type. Read more

Auto Trait Implementations§

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impl Freeze for File

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impl !RefUnwindSafe for File

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impl Send for File

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impl Sync for File

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impl Unpin for File

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impl !UnwindSafe for File

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> CloneToUninit for T
where T: Clone,

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unsafe fn clone_to_uninit(&self, dest: *mut u8)

🔬This is a nightly-only experimental API. (clone_to_uninit)
Performs copy-assignment from self to dest. 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> ToOwned for T
where T: Clone,

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type Owned = T

The resulting type after obtaining ownership.
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fn to_owned(&self) -> T

Creates owned data from borrowed data, usually by cloning. Read more
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fn clone_into(&self, target: &mut T)

Uses borrowed data to replace owned data, usually by cloning. Read more
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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.