API reference › @evolu/common › Set › firstInSet

function firstInSet<T>(set: NonEmptyReadonlySet<T>): T;

Defined in: packages/common/src/Set.ts:314

Returns the first element of a non-empty set (by insertion order).

Reading the first value

import { assertEqual, createSet, firstInSet } from "@evolu/common";

const set = createSet(["a", "b", "c"]);
assertEqual(firstInSet(set), "a");
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