Trait maplibre::tcs::tiles::ComponentQuery

pub trait ComponentQuery {
    type Item<'t>;
    type State<'s>: QueryState<'s>;

    // Required method
    fn query<'t, 's>(
        tiles: &'t Tiles,
        tile: Tile,
        state: Self::State<'s>
    ) -> Option<Self::Item<'t>>;
}

Required Associated Types

type Item<'t>

type State<'s>: QueryState<'s>

Required Methods

fn query<'t, 's>( tiles: &'t Tiles, tile: Tile, state: Self::State<'s> ) -> Option<Self::Item<'t>>

Object Safety

This trait is not object safe.

Implementations on Foreign Types

impl<'a, T: TileComponent> ComponentQuery for &'a T

type Item<'t> = &'t T

type State<'s> = EphemeralQueryState<'s>

fn query<'t, 's>( tiles: &'t Tiles, tile: Tile, _state: Self::State<'s> ) -> Option<Self::Item<'t>>

impl<CQ1: ComponentQuery, CQ2: ComponentQuery> ComponentQuery for (CQ1, CQ2)

type Item<'t> = (<CQ1 as ComponentQuery>::Item<'t>, <CQ2 as ComponentQuery>::Item<'t>)

type State<'s> = EphemeralQueryState<'s>

fn query<'t, 's>( tiles: &'t Tiles, tile: Tile, state: Self::State<'s> ) -> Option<Self::Item<'t>>

Implementors