Struct `EnterGuard`

#[must_use = "Creating and dropping a guard does nothing"]
pub struct EnterGuard<'a> { /* private fields */ }

Runtime context guard.

Returned by Runtime::enter and Handle::enter, the context guard exits the runtime context on drop.

Trait Implementations

`impl<'a> Debug for EnterGuard<'a>`

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

Auto Trait Implementations

`impl<'a> !RefUnwindSafe for EnterGuard<'a>`

`impl<'a> !Send for EnterGuard<'a>`

`impl<'a> !UnwindSafe for EnterGuard<'a>`

`impl<'a> Freeze for EnterGuard<'a>`

`impl<'a> Sync for EnterGuard<'a>`

`impl<'a> Unpin for EnterGuard<'a>`

`impl<'a> UnsafeUnpin for EnterGuard<'a>`

Blanket Implementations

`impl<T> Any for EnterGuard<'a> where T: 'static + ?Sized,`

fn type_id(&self) -> TypeId

`impl<T> Borrow<T> for EnterGuard<'a> where T: ?Sized,`

fn borrow(&self) -> &T

`impl<T> BorrowMut<T> for EnterGuard<'a> where T: ?Sized,`

fn borrow_mut(&mut self) -> &mut T

`impl<T> From<T> for EnterGuard<'a>`

fn from(t: T) -> T: Returns the argument unchanged.

`impl<T, U> Into for EnterGuard<'a> where U: From<T>,`

fn into(self) -> U

Calls U::from(self).

That is, this conversion is whatever the implementation of [From]<T> for U chooses to do.

`impl<T, U> TryFrom for EnterGuard<'a> where U: Into<T>,`

type Error = never;
fn try_from(value: U) -> Result<T, never>

`impl<T, U> TryInto for EnterGuard<'a> where U: TryFrom<T>,`

type Error = >::Error;
fn try_into(self) -> Result<U, >::Error>