[d24f17c] | 1 | import { IterationOf } from '../Iteration/IterationOf';
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| 2 | import { Iteration } from '../Iteration/Iteration';
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| 3 | import { Pos } from '../Iteration/Pos';
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| 4 | import { Prepend } from './Prepend';
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| 5 | import { Way } from '../Iteration/_Internal';
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| 6 | import { List } from './List';
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| 7 | import { Prev } from '../Iteration/Prev';
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| 8 | import { Cast } from '../Any/Cast';
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| 9 | import { Tail } from './Tail';
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| 10 | import { Extends } from '../Any/Extends';
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| 11 | /**
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| 12 | * starts in reverse from `N` till `N` = 0
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| 13 | * @hidden
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| 14 | */
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| 15 | declare type TakeForth<L extends List, N extends Iteration, I extends Iteration = Prev<N>, LN extends List = []> = {
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| 16 | 0: TakeForth<L, N, Prev<I>, Prepend<LN, L[Pos<I>]>>;
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| 17 | 1: LN;
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| 18 | }[Extends<-1, Pos<I>>];
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| 19 | /**
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| 20 | * starts in reverse from the end till `N` = 0
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| 21 | * @hidden
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| 22 | */
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| 23 | declare type TakeBack<L extends List, N extends Iteration> = {
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| 24 | 0: TakeBack<Tail<L>, Prev<N>>;
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| 25 | 1: L;
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| 26 | }[Extends<0, Pos<N>>];
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| 27 | /**
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| 28 | * @hidden
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| 29 | */
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| 30 | declare type __Take<L extends List, N extends Iteration, way extends Way> = {
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| 31 | '->': TakeForth<L, N>;
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| 32 | '<-': TakeBack<L, N>;
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| 33 | }[way];
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| 34 | /**
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| 35 | * @hidden
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| 36 | */
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| 37 | export declare type _Take<L extends List, N extends number, way extends Way = '->'> = __Take<L, IterationOf<N>, way> extends infer X ? Cast<X, List> : never;
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| 38 | /**
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| 39 | * Extract `N` entries out of `L`
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| 40 | * @param L to extract from
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| 41 | * @param N to extract out
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| 42 | * @param way (?=`'->'`) to extract from end
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| 43 | * @returns [[List]]
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| 44 | * @example
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| 45 | * ```ts
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| 46 | * ```
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| 47 | */
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| 48 | export declare type Take<L extends List, N extends number, way extends Way = '->'> = L extends unknown ? N extends unknown ? _Take<L, N, way> : never : never;
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| 49 | export {};
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