Struct discro::Ref

pub struct Ref<T> { /* private fields */ }

A borrowed reference to the shared value.

Outstanding borrows hold a read lock.

Implementations

impl<T> Ref<T>

pub fn has_changed(&self) -> Option<bool>

Query the change status

Returns Some(true) if the the shared value behind this reference is considered as changed or Some(false) if unchanged. The status is determined when borrowing the reference, i.e. after acquiring the read lock.

Depending on the implementation or how the reference has been obtained the change status might be unknown and None is returned.

Trait Implementations

impl<T> AsRef<T> for Ref<T>

fn as_ref(&self) -> &T

Converts this type into a shared reference of the (usually inferred) input type.

impl<T: Debug> Debug for Ref<T>

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

Formats the value using the given formatter.

impl<T> Deref for Ref<T>

type Target = T

The resulting type after dereferencing.

fn deref(&self) -> &Self::Target

Dereferences the value.