@klodianimeri/pipejs/dist/pipes/symmetric-difference.js

Pipe functions that provide convenient and efficient ways to work with iterators.

import { assertSync, Yields, push } from "../util/index.js";
export function symmetricDifference(source) {
    assertSync(source);
    let exists = new Set();
    return () => (result) => {
        if (result === null || result === void 0 ? void 0 : result.done) {
            let results = new Array();
            for (const item of source) {
                if (!exists.has(item)) {
                    exists.add(item);
                    results.push(item);
                }
            }
            return push(Yields(results), result);
        }
        if (!exists.has(result.value)) {
            exists.add(result.value);
            return result;
        }
    };
}
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