@thi.ng/transducers/repeatedly3d.d.ts

Collection of ~170 lightweight, composable transducers, reducers, generators, iterators for functional data transformations

import type { FnU3 } from "@thi.ng/api";
/**
 * Syntax sugar for `map(fn, range3d(cols, rows, slices))`. Returns iterator yielding
 * values of given 3-arg function `fn` which is called repeatedly with `x`, `y` and
 * `z` grid coordinates. The iteration order is always slice major, then row-major.
 *
 * @example
 * ```ts tangle:../export/repeatedly3d.ts
 * import { repeatedly3d } from "@thi.ng/transducers";
 *
 * console.log(
 *   [...repeatedly3d((x, y, z) => [(x+1)*10, (y+1)*100, (z+1)*1000], 2, 2, 2)]
 * );
 * // [
 * //   [ 10, 100, 1000 ], [ 20, 100, 1000 ], [ 10, 200, 1000 ], [ 20, 200, 1000 ],
 * //   [ 10, 100, 2000 ], [ 20, 100, 2000 ], [ 10, 200, 2000 ], [ 20, 200, 2000 ]
 * // ]
 * ```
 *
 * @param fn - value producer
 * @param cols - number of columns
 * @param rows - number of rows
 * @param slices - number of slices
 */
export declare function repeatedly3d<T>(fn: FnU3<number, T>, cols: number, rows: number, slices: number): Generator<T, void, unknown>;
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