Struct Or

pub struct Or<A, B>(pub A, pub B);

Tuple Fields

0: A

1: B

Trait Implementations

impl<A: Default, B: Default> Default for Or<A, B>

fn default() -> Or<A, B>

Returns the “default value” for a type.

impl<'a, A: Fetch<'a, Output = bool>, B: Fetch<'a, Output = bool>> Fetch<'a> for Or<A, B>

type Output = bool

type WorldBorrows = (<A as Fetch<'a>>::WorldBorrows, <B as Fetch<'a>>::WorldBorrows)

type DirectBorrows = (<A as Fetch<'a>>::DirectBorrows, <B as Fetch<'a>>::DirectBorrows)

unsafe fn borrow_world(&self, world: &'a World) -> Option<Self::WorldBorrows>

unsafe fn get_world( &self, borrows: &Self::WorldBorrows, id: Id, ) -> Option<Self::Output>

unsafe fn borrow_direct( &self, entity: &'a Entity, ) -> Option<Self::DirectBorrows>

unsafe fn get(&self, borrows: &Self::DirectBorrows) -> Self::Output