Struct rusty_v8::BackingStore

#[repr(C)]
pub struct BackingStore(_);

A wrapper around the backing store (i.e. the raw memory) of an array buffer. See a document linked in http://crbug.com/v8/9908 for more information.

The allocation and destruction of backing stores is generally managed by V8. Clients should always use standard C++ memory ownership types (i.e. std::unique_ptr and std::shared_ptr) to manage lifetimes of backing stores properly, since V8 internal objects may alias backing stores.

This object does not keep the underlying |ArrayBuffer::Allocator| alive by default. Use Isolate::CreateParams::array_buffer_allocator_shared when creating the Isolate to make it hold a reference to the allocator itself.

Implementations

impl BackingStore

pub fn data(&self) -> *mut c_void

Return a pointer to the beginning of the memory block for this backing store. The pointer is only valid as long as this backing store object lives.

pub fn byte_length(&self) -> usize

The length (in bytes) of this backing store.

pub fn is_shared(&self) -> bool

Indicates whether the backing store was created for an ArrayBuffer or a SharedArrayBuffer.

Trait Implementations

impl Debug for BackingStore

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.

impl Deref for BackingStore

fn deref(&self) -> &Self::Target

Returns a u8 slice refencing the data in the backing store.

type Target = [Cell<u8>]

The resulting type after dereferencing.

impl Drop for BackingStore

fn drop(&mut self)

Executes the destructor for this type.

impl Send for BackingStore