Struct MmapReader 

pub struct MmapReader { /* private fields */ }

Memory-mapped reader

Implementations

impl MmapReader

pub fn open(path: impl AsRef<Path>) -> Result<Self>

Open a file for memory-mapped reading

pub fn read(&self, offset: u64, len: usize) -> Result<Bytes>

Read bytes from the given offset

pub fn read_block(&self, offset: u64) -> Result<Bytes>

Read entire block at offset

pub fn len(&self) -> usize

Get file size

pub fn is_empty(&self) -> bool

Check if file is empty

pub fn path(&self) -> &Path

Get file path

pub fn close(&self)

Close the mmap (releases resources)

Trait Implementations

impl Clone for MmapReader

fn clone(&self) -> MmapReader

Returns a duplicate of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.