1use core::{iter, ops};
2
3use crate::TiSlice;
4
5/// An iterator over all key-value pairs.
6///
7/// This struct is created by the [`TiSlice::iter_enumerated`],
8/// [`TiSlice::iter_mut_enumerated`] and [`TiVec::drain_enumerated`] methods.
9///
10/// [`TiSlice::iter_enumerated`]: struct.TiSlice.html#method.iter_enumerated
11/// [`TiSlice::iter_mut_enumerated`]: struct.TiSlice.html#method.iter_mut_enumerated
12/// [`TiVec::drain_enumerated`]: struct.TiVec.html#method.drain_enumerated
13pub type TiEnumerated<I, K, V> = iter::Map<iter::Enumerate<I>, fn((usize, V)) -> (K, V)>;
14
15/// An iterator over all keys.
16///
17/// This struct is created by the [`TiSlice::keys`] method.
18///
19/// [`TiSlice::keys`]: struct.TiSlice.html#method.keys
20pub type TiSliceKeys<K> = iter::Map<ops::Range<usize>, fn(usize) -> K>;
21
22/// An iterator wrapper for iterators that yields [`TiSlice`] subslice
23/// references.
24///
25/// [`TiSlice`]: struct.TiSlice.html
26pub type TiSliceRefMap<Iter, K, V> = iter::Map<Iter, fn(&[V]) -> &TiSlice<K, V>>;
27
28/// An iterator wrapper for iterators that yields [`TiSlice`] subslice mutable
29/// references.
30///
31/// [`TiSlice`]: struct.TiSlice.html
32pub type TiSliceMutMap<Iter, K, V> = iter::Map<Iter, fn(&mut [V]) -> &mut TiSlice<K, V>>;
33