[−][src]Function thread_scoped_ref::with
pub fn with<T, TFn, TRet>(key: &'static LocalKey<Scope<T>>, fun: TFn) -> TRet where
TFn: FnOnce(Option<&T>) -> TRet,
T: ?Sized,
Gets the reference to value from the current scope. Given function will receive
None
if this is not called within a scope.
See thread_scoped_ref
for an example.