Struct ic_stable_structures::file_mem::FileMemory
source · pub struct FileMemory(_);
Expand description
A Memory
backed by a file.
Implementations§
Trait Implementations§
source§impl Clone for FileMemory
impl Clone for FileMemory
source§fn clone(&self) -> FileMemory
fn clone(&self) -> FileMemory
Returns a copy of the value. Read more
1.0.0 · source§fn clone_from(&mut self, source: &Self)
fn clone_from(&mut self, source: &Self)
Performs copy-assignment from
source
. Read moresource§impl Memory for FileMemory
impl Memory for FileMemory
source§fn size(&self) -> u64
fn size(&self) -> u64
Returns the current size of the stable memory in WebAssembly
pages. (One WebAssembly page is 64Ki bytes.)
source§fn grow(&self, pages: u64) -> i64
fn grow(&self, pages: u64) -> i64
Tries to grow the memory by new_pages many pages containing
zeroes. If successful, returns the previous size of the
memory (in pages). Otherwise, returns -1.
Auto Trait Implementations§
impl !RefUnwindSafe for FileMemory
impl !Send for FileMemory
impl !Sync for FileMemory
impl Unpin for FileMemory
impl !UnwindSafe for FileMemory
Blanket Implementations§
source§impl<T> BorrowMut<T> for Twhere
T: ?Sized,
impl<T> BorrowMut<T> for Twhere T: ?Sized,
source§fn borrow_mut(&mut self) -> &mut T
fn borrow_mut(&mut self) -> &mut T
Mutably borrows from an owned value. Read more