@extra-array/is-subsequence/index.mjs

Checks if array has a subsequence.

import searchSubsequence from './searchSubsequence';
/**
 * Checks if array has a subsequence.
 * @param x an array
 * @param y subsequence?
 * @param fc compare function (a, b)
 * @param fm map function (v, i, x)
 */
function isSubsequence(x, y, fc = null, fm = null) {
    return searchSubsequence(x, y, fc, fm) >= 0;
}
export default isSubsequence;
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