Struct JsCell

pub struct JsCell<'js, T: JsClass<'js>> { /* private fields */ }

A cell type for Rust classes passed to JavaScript.

Implements RefCell-like borrow checking.

Implementations

impl<'js, T: JsClass<'js>> JsCell<'js, T>

pub fn new(t: T) -> Self

Create a new JsCell

pub fn borrow<'a>(&'a self) -> Borrow<'a, 'js, T>

Borrow the contained value immutable.

Panic

Panics if the value is already borrowed mutably

pub fn try_borrow<'a>(&'a self) -> Result<Borrow<'a, 'js, T>, BorrowError>

Try to borrow the contained value immutable.

pub fn borrow_mut<'a>(&'a self) -> BorrowMut<'a, 'js, T>

Borrow the contained value mutably.

Panic

Panics if the value is already borrowed mutably or the class can’t be borrowed mutably.

pub fn try_borrow_mut<'a>( &'a self, ) -> Result<BorrowMut<'a, 'js, T>, BorrowError>

Try to borrow the contained value mutably.