Struct tc_transact::lock::TxnLockReadGuard [−][src]
pub struct TxnLockReadGuard<T> { /* fields omitted */ }
Expand description
An immutable read guard for a transactional state.
Trait Implementations
Auto Trait Implementations
impl<T> RefUnwindSafe for TxnLockReadGuard<T>
impl<T> Send for TxnLockReadGuard<T> where
T: Send,
impl<T> Sync for TxnLockReadGuard<T> where
T: Send,
impl<T> Unpin for TxnLockReadGuard<T>
impl<T> UnwindSafe for TxnLockReadGuard<T>
Blanket Implementations
Mutably borrows from an owned value. Read more
Returns true
if self
can be cast into the target type T
.
Test if value
can be cast into Self
.
Returns Some(Self)
if the source value can be cast into Self
, otherwise None
.
fn try_cast_from<Err, OnErr>(value: T, on_err: OnErr) -> Result<Self, Err> where
OnErr: FnOnce(&T) -> Err,
fn try_cast_from<Err, OnErr>(value: T, on_err: OnErr) -> Result<Self, Err> where
OnErr: FnOnce(&T) -> Err,
Returns Ok(Self)
if the source value can be cast into Self
, otherwise calls on_err
.
Test if self
can be cast into T
.
Returns Some(T)
if self
can be cast into T
, otherwise None
.
fn try_cast_into<Err, OnErr>(self, on_err: OnErr) -> Result<T, Err> where
OnErr: FnOnce(&Self) -> Err,
fn try_cast_into<Err, OnErr>(self, on_err: OnErr) -> Result<T, Err> where
OnErr: FnOnce(&Self) -> Err,
Returns Ok(T)
if self
can be cast into T
, otherwise calls on_err
.