Struct OptionReducer 

pub struct OptionReducer<R>(/* private fields */);

Trait Implementations

impl<R: Clone> Clone for OptionReducer<R>

fn clone(&self) -> OptionReducer<R>

Returns a duplicate of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl<R: Default> Default for OptionReducer<R>

fn default() -> OptionReducer<R>

Returns the “default value” for a type.

impl<'de, R> Deserialize<'de> for OptionReducer<R>

where R: Deserialize<'de>,

fn deserialize<__D>(__deserializer: __D) -> Result<Self, __D::Error>

where __D: Deserializer<'de>,

Deserialize this value from the given Serde deserializer.

impl<R: Reducer<Item>, Item> Reducer<Option<Item>> for OptionReducer<R>

type Done = Option<<R as Reducer<Item>>::Done>

type Async = OptionReducerAsync<<R as Reducer<Item>>::Async>

fn into_async(self) -> Self::Async

impl<R: Reducer<Item>, Item> ReducerProcessSend<Option<Item>> for OptionReducer<R>

where R::Done: ProcessSend + 'static,

type Done = Option<<R as Reducer<Item>>::Done>

impl<R: Reducer<Item>, Item> ReducerSend<Option<Item>> for OptionReducer<R>

where R::Done: Send + 'static,

type Done = Option<<R as Reducer<Item>>::Done>

impl<R> Serialize for OptionReducer<R>

where R: Serialize,

fn serialize<__S>(&self, __serializer: __S) -> Result<__S::Ok, __S::Error>

where __S: Serializer,

Serialize this value into the given Serde serializer.