struct RunningSameThreadGuard(());
🔬This is a nightly-only experimental API. (
proc_macro_internals
#27812)Expand description
Keep ALREADY_RUNNING_SAME_THREAD
(see also its documentation)
set to true
, preventing same-thread reentrance.
Tuple Fields§
§0: ()
🔬This is a nightly-only experimental API. (
proc_macro_internals
#27812)Implementations§
Trait Implementations§
Auto Trait Implementations§
impl Freeze for RunningSameThreadGuard
impl RefUnwindSafe for RunningSameThreadGuard
impl Send for RunningSameThreadGuard
impl Sync for RunningSameThreadGuard
impl Unpin for RunningSameThreadGuard
impl UnwindSafe for RunningSameThreadGuard
Blanket Implementations§
Source§impl<T> BorrowMut<T> for Twhere
T: ?Sized,
impl<T> BorrowMut<T> for Twhere
T: ?Sized,
Source§fn borrow_mut(&mut self) -> &mut T
fn borrow_mut(&mut self) -> &mut T
Mutably borrows from an owned value. Read more
Source§impl<T> SizedTypeProperties for T
impl<T> SizedTypeProperties for T
Source§#[doc(hidden)] const IS_ZST: bool = _
#[doc(hidden)] const IS_ZST: bool = _
🔬This is a nightly-only experimental API. (
sized_type_properties
)Source§#[doc(hidden)] const LAYOUT: Layout = _
#[doc(hidden)] const LAYOUT: Layout = _
🔬This is a nightly-only experimental API. (
sized_type_properties
)Source§#[doc(hidden)] const MAX_SLICE_LEN: usize = _
#[doc(hidden)] const MAX_SLICE_LEN: usize = _
🔬This is a nightly-only experimental API. (
sized_type_properties
)The largest safe length for a
[Self]
. Read more