Struct FileMemory 

pub struct FileMemory(/* private fields */);

A Memory backed by a file.

Implementations

impl FileMemory

pub fn new(file: File) -> Self

Trait Implementations

impl Clone for FileMemory

fn clone(&self) -> FileMemory

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Memory for FileMemory

fn size(&self) -> u64

Returns the current size of the memory in WebAssembly pages.

fn grow(&self, pages: u64) -> i64

Grows the memory by pages pages filled with zeroes.

fn read(&self, offset: u64, dst: &mut [u8])

Copies dst.len() bytes from memory starting at offset into dst.

fn write(&self, offset: u64, src: &[u8])

Copies src.len() bytes from src into memory starting at offset.

unsafe fn read_unsafe(&self, offset: u64, dst: *mut u8, count: usize)

Unsafe variant of read for advanced use.