Struct FilterMapTransducer

pub struct FilterMapTransducer<T, U, F>
where
    F: Fn(&T) -> Option<U>,
{ /* private fields */ }

Implementations

impl<T, U, F> FilterMapTransducer<T, U, F>

where F: Fn(&T) -> Option<U>,

pub fn new(f: F) -> Self

Examples found in repository

crates/competitive/src/data_structure/transducer.rs (line 80)

    fn filter_map<U, F>(self, f: F) -> ChainFilterMapTrasducer<Self, Self::Output, U, F>
    where
        Self: Sized,
        F: Fn(&Self::Output) -> Option<U>,
    {
        ChainTransducer((self, FilterMapTransducer::new(f)))
    }

Trait Implementations

impl<T: Clone, U: Clone, F> Clone for FilterMapTransducer<T, U, F>

where F: Fn(&T) -> Option<U> + Clone,

fn clone(&self) -> FilterMapTransducer<T, U, F>

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl<T: Debug, U: Debug, F> Debug for FilterMapTransducer<T, U, F>

where F: Fn(&T) -> Option<U> + Debug,

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

Formats the value using the given formatter.

impl<T, U, F> Transducer for FilterMapTransducer<T, U, F>

where F: Fn(&T) -> Option<U>,

type Input = T

type Output = U

type State = ()

fn start(&self) -> Self::State

fn relation( &self, _state: &Self::State, input: &Self::Input, ) -> Option<(Self::State, Self::Output)>

fn accept(&self, _state: &Self::State) -> bool

fn stepout(&mut self)

fn dp<M>(self, init: M::T) -> InitTransducerDp<M, Self>

where Self: Sized, M: Monoid,

fn intersection<U>(self, other: U) -> IntersectionTransducer<(Self, U)>

where Self: Sized, U: Transducer<Input = Self::Input>,

fn product<U>(self, other: U) -> ProductTransducer<(Self, U)>

where Self: Sized, U: Transducer,

fn chain<U>(self, other: U) -> ChainTransducer<(Self, U)>

where Self: Sized, U: Transducer<Input = Self::Output>,

fn with_input( self, ) -> IntersectionTransducer<(Self, IdentityTransducer<Self::Input>)>

where Self: Sized,

fn map<U, F>( self, f: F, ) -> ChainTransducer<(Self, MapTransducer<Self::Output, U, F>)>

where Self: Sized, F: Fn(&Self::Output) -> U,

fn filter_map<U, F>( self, f: F, ) -> ChainTransducer<(Self, FilterMapTransducer<Self::Output, U, F>)>

where Self: Sized, F: Fn(&Self::Output) -> Option<U>,