Enum lazy_async_promise::ImmediateValueState

pub enum ImmediateValueState<T> {
    Updating,
    Success(T),
    Error(BoxedSendError),
    Empty,
}

The return state of a ImmediateValuePromise, contains the error, the value or that it is still updating

Variants

Updating

future is not yet resolved

Success(T)

future resolved successfully

Error(BoxedSendError)

resolving the future failed somehow

Empty

value has been taken out

Trait Implementations

impl<T> DirectCacheAccess<T> for ImmediateValueState<T>

fn get_value_mut(&mut self) -> Option<&mut T>

gets a mutable reference to the local cache if existing

fn get_value(&self) -> Option<&T>

Get the value if possible, None otherwise

fn take_value(&mut self) -> Option<T>

Takes ownership of the inner value if ready, leaving self in state ImmediateValueState::Empty. Does nothing if we are in any other state.