Struct MemoryWrapper

pub struct MemoryWrapper<'a, C>(/* private fields */);

Wrapper around [Memory] that implements sp_allocator::Memory.

Trait Implementations

impl<'a, C> From<(&'a Memory, &'a mut C)> for MemoryWrapper<'a, C>

fn from((memory, caller): (&'a Memory, &'a mut C)) -> Self

Converts to this type from the input type.

impl<C: AsContextMut> Memory for MemoryWrapper<'_, C>

fn with_access<R>(&self, run: impl FnOnce(&[u8]) -> R) -> R

Run the given closure run and grant it read access to the raw memory.

fn with_access_mut<R>(&mut self, run: impl FnOnce(&mut [u8]) -> R) -> R

Run the given closure run and grant it write access to the raw memory.

fn grow(&mut self, additional: u32) -> Result<(), ()>

Grow the memory by additional pages.

fn pages(&self) -> u32

Returns the current number of pages this memory has allocated.

fn max_pages(&self) -> Option<u32>

Returns the maximum number of pages this memory is allowed to allocate.