Enum std::cell::BorrowState
[−]
[src]
pub enum BorrowState { Reading, Writing, Unused, }
Unstable (
borrow_state
#27733)An enumeration of values returned from the state
method on a RefCell<T>
.
Variants
Reading
Unstable (
borrow_state
#27733)The cell is currently being read, there is at least one active borrow
.
Writing
Unstable (
borrow_state
#27733)The cell is currently being written to, there is an active borrow_mut
.
Unused
Unstable (
borrow_state
#27733)There are no outstanding borrows on this cell.
Trait Implementations
impl Eq for BorrowState
impl Copy for BorrowState
impl Clone for BorrowState
fn clone(&self) -> BorrowState
Returns a copy of the value. Read more
fn clone_from(&mut self, source: &Self)
1.0.0
Performs copy-assignment from source
. Read more
impl Debug for BorrowState
fn fmt(&self, __arg_0: &mut Formatter) -> Result<(), Error>
Formats the value using the given formatter.