Checks if nested array has a path.
Alternatives: hasValue, hasPrefix, hasSuffix, hasInfix, hasSubsequence, hasPermutation, hasPath.
Similar: hasPath, getPath, setPath$, removePath$.
This is part of package extra-array.
array.hasPath(x, p);
// x: a nested array
// p: path
const array = require("extra-array");
var x = [[2, 4], 6, 8];
array.hasPath(x, [1]);
// true
array.hasPath(x, [0, 1]);
// true
array.hasPath(x, [0, 1, 2]);
// false