source: imaps-frontend/node_modules/nth-check/lib/compile.d.ts

/**
 * Returns a function that checks if an elements index matches the given rule
 * highly optimized to return the fastest solution.
 *
 * @param parsed A tuple [a, b], as returned by `parse`.
 * @returns A highly optimized function that returns whether an index matches the nth-check.
 * @example
 *
 * ```js
 * const check = nthCheck.compile([2, 3]);
 *
 * check(0); // `false`
 * check(1); // `false`
 * check(2); // `true`
 * check(3); // `false`
 * check(4); // `true`
 * check(5); // `false`
 * check(6); // `true`
 * ```
 */
export declare function compile(parsed: [a: number, b: number]): (index: number) => boolean;
/**
 * Returns a function that produces a monotonously increasing sequence of indices.
 *
 * If the sequence has an end, the returned function will return `null` after
 * the last index in the sequence.
 *
 * @param parsed A tuple [a, b], as returned by `parse`.
 * @returns A function that produces a sequence of indices.
 * @example <caption>Always increasing (2n+3)</caption>
 *
 * ```js
 * const gen = nthCheck.generate([2, 3])
 *
 * gen() // `1`
 * gen() // `3`
 * gen() // `5`
 * gen() // `8`
 * gen() // `11`
 * ```
 *
 * @example <caption>With end value (-2n+10)</caption>
 *
 * ```js
 *
 * const gen = nthCheck.generate([-2, 5]);
 *
 * gen() // 0
 * gen() // 2
 * gen() // 4
 * gen() // null
 * ```
 */
export declare function generate(parsed: [a: number, b: number]): () => number | null;
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