Would you like to clone this notebook?
When you clone a notebook you are able to make changes without affecting the original notebook.
require("immutable-short-string-notation");
const Map = require('immutable').Map;
state = Map({});
state2 = state.setIn('a.b.c.d.e.f.g.h', 42);
console.log(state2.getIn('a.b.c.d.e.f.g.h',));
Created from: https://npm.runkit.com/immutable-short-string-notation
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