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export function mapFromObject<T>(obj: {[key: string]: T}): Map<string, T> {
const ret = new Map();
for (const k of Object.keys(obj))
ret.set(k, obj[k]);
return ret;
}
export function mapValues<K, V1, V2>(f: (v: V1) => V2, map: Map<K, V1>): Map<K, V2> {
const ret: Map<K, V2> = new Map();
for (const [k, v] of map)
ret.set(k, f(v));
return ret;
}
export async function mapValuesAsync<K, V1, V2>(f: (v: V1) => Promise<V2>, map: Map<K, V1>): Promise<Map<K, V2>> {
const ret: Map<K, V2> = new Map();
for (const [k, v] of mapValues(f, map))
ret.set(k, await v);
return ret;
}
export function nextPowerOf2(n: number): number {
let i = 1;
while (i < n)
i *= 2;
return i;
}
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