pub(crate) struct RuntimeRootEnvGuard {
key: &'static str,
previous: Option<OsString>,
}Fields§
§key: &'static str§previous: Option<OsString>Implementations§
Trait Implementations§
Auto Trait Implementations§
impl Freeze for RuntimeRootEnvGuard
impl RefUnwindSafe for RuntimeRootEnvGuard
impl Send for RuntimeRootEnvGuard
impl Sync for RuntimeRootEnvGuard
impl Unpin for RuntimeRootEnvGuard
impl UnwindSafe for RuntimeRootEnvGuard
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