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Subhajit Sahu edited this page Feb 3, 2021 · 17 revisions

Sets value at key. 🏃 📼 📦 🌔 📒

Alternatives: set, set$, setPath$.
Similar: get, set, remove.


map.set$(x, k, v);
// x: a map (updated)
// k: key
// v: value
// --> x
const map = require("extra-map");

var x = new Map([["a", 2], ["b", 4], ["c", 6], ["d", 8]]);
map.set$(x, "b", 40);
// Map(4) { "a" => 2, "b" => 40, "c" => 6, "d" => 8 }

x;
// Map(4) { "a" => 2, "b" => 40, "c" => 6, "d" => 8 }

var x = new Map([["a", 2], ["b", 4], ["c", 6], ["d", 8]]);
map.set$(x, "d", 80);
// Map(4) { "a" => 2, "b" => 4, "c" => 6, "d" => 80 }


References

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