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| 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 | 2x 2x 2x 2x 2x 2x 2x 2x 2x 50x 50x 50x 105x 67x 67x 38x 38x 50x 50x 50x 10x 10x 50x 50x 2x 2x 7x 7x 7x | /**
* @template T
* @template U
* @param {Iterable<T>} iterable
* @param {(value: T) => U} fn
* @param {string} name
* @returns {IterableIterator<U>}
*/
export function map(iterable, fn, name) {
return {
[Symbol.iterator]: get_this,
next() {
for (const value of iterable) {
return { done: false, value: fn(value) };
}
return { done: true, value: undefined };
},
// @ts-expect-error
get [Symbol.toStringTag]() {
return name;
}
};
}
/** @this {any} */
function get_this() {
return this;
}
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