Trait maplibre::tcs::resources::ResourceQuery

pub trait ResourceQuery {
    type Item<'r>;
    type State<'s>: QueryState<'s>;

    // Required method
    fn query<'r, 's>(
        resources: &'r Resources,
        state: Self::State<'s>
    ) -> Option<Self::Item<'r>>;
}

Required Associated Types

type Item<'r>

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

Required Methods

fn query<'r, 's>( resources: &'r Resources, state: Self::State<'s> ) -> Option<Self::Item<'r>>

Object Safety

This trait is not object safe.

Implementations on Foreign Types

impl<'a, R: Resource> ResourceQuery for &'a R

type Item<'r> = &'r R

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

fn query<'r, 's>( resources: &'r Resources, _state: Self::State<'s> ) -> Option<Self::Item<'r>>

impl<R1: ResourceQuery> ResourceQuery for (R1,)

type Item<'r> = (<R1 as ResourceQuery>::Item<'r>,)

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

fn query<'r, 's>( resources: &'r Resources, state: Self::State<'s> ) -> Option<Self::Item<'r>>

impl<R1: ResourceQuery, R2: ResourceQuery> ResourceQuery for (R1, R2)

type Item<'r> = (<R1 as ResourceQuery>::Item<'r>, <R2 as ResourceQuery>::Item<'r>)

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

fn query<'r, 's>( resources: &'r Resources, state: Self::State<'s> ) -> Option<Self::Item<'r>>

impl<R1: ResourceQuery, R2: ResourceQuery, R3: ResourceQuery> ResourceQuery for (R1, R2, R3)

type Item<'r> = (<R1 as ResourceQuery>::Item<'r>, <R2 as ResourceQuery>::Item<'r>, <R3 as ResourceQuery>::Item<'r>)

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

fn query<'r, 's>( resources: &'r Resources, state: Self::State<'s> ) -> Option<Self::Item<'r>>

impl<R1: ResourceQuery, R2: ResourceQuery, R3: ResourceQuery, R4: ResourceQuery> ResourceQuery for (R1, R2, R3, R4)

type Item<'r> = (<R1 as ResourceQuery>::Item<'r>, <R2 as ResourceQuery>::Item<'r>, <R3 as ResourceQuery>::Item<'r>, <R4 as ResourceQuery>::Item<'r>)

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

fn query<'r, 's>( resources: &'r Resources, state: Self::State<'s> ) -> Option<Self::Item<'r>>

impl<R1: ResourceQuery, R2: ResourceQuery, R3: ResourceQuery, R4: ResourceQuery, R5: ResourceQuery> ResourceQuery for (R1, R2, R3, R4, R5)

type Item<'r> = (<R1 as ResourceQuery>::Item<'r>, <R2 as ResourceQuery>::Item<'r>, <R3 as ResourceQuery>::Item<'r>, <R4 as ResourceQuery>::Item<'r>, <R5 as ResourceQuery>::Item<'r>)

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

fn query<'r, 's>( resources: &'r Resources, state: Self::State<'s> ) -> Option<Self::Item<'r>>

impl<R1: ResourceQuery, R2: ResourceQuery, R3: ResourceQuery, R4: ResourceQuery, R5: ResourceQuery, R6: ResourceQuery> ResourceQuery for (R1, R2, R3, R4, R5, R6)

type Item<'r> = (<R1 as ResourceQuery>::Item<'r>, <R2 as ResourceQuery>::Item<'r>, <R3 as ResourceQuery>::Item<'r>, <R4 as ResourceQuery>::Item<'r>, <R5 as ResourceQuery>::Item<'r>, <R6 as ResourceQuery>::Item<'r>)

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

fn query<'r, 's>( resources: &'r Resources, state: Self::State<'s> ) -> Option<Self::Item<'r>>

Implementors