Trait typed_generational_arena::ArenaIndex

pub trait ArenaIndex: Copy {
    fn from_idx(idx: usize) -> Self;
    fn to_idx(self) -> usize;
}

A type which can be used as an index to an arena

Required methods

fn from_idx(idx: usize) -> Self

Create an arena index from a usize

fn to_idx(self) -> usize

Transform an arena index into a usize

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Implementors

impl<T> ArenaIndex for NonZeroIndex<T> where
    T: NonZeroAble + FromPrimitive,
    NonZeroIndex<T>: Copy,
    <<T as NonZeroAble>::NonZero as NonZero>::Primitive: ToPrimitive, 

fn from_idx(idx: usize) -> Self

fn to_idx(self) -> usize

impl<T: ToPrimitive + FromPrimitive + Copy> ArenaIndex for T

fn from_idx(idx: usize) -> Self

fn to_idx(self) -> usize

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