removePath$ (original) (raw)

Remove value at path in a nested array!

Alternatives: remove, remove$, removePath$.
Similar: hasPath, getPath, setPath$, removePath$.
Similar: get, set, remove.

function removePath$(x, p) // x: a nested array (updated!) // p: path

const xarray = require('extra-array');

var x = [[2, 4], 6, 8]; xarray.removePath$(x, [1], 60); // → [ [ 2, 4 ], 8 ]

x; // → [ [ 2, 4 ], 8 ]

xarray.removePath$(x, [0, 1], 40); // → [ [ 2 ], 8 ]

xarray.removePath$(x, [0, 1, 2], 100); // → [ [ 2 ], 8 ] (path not present, no effect)

References

• ArrayList.get() : Java
• _.nth() : Lodash
• Array.at() : Sugar.js