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async function tapAsyncFn(fn, input){  await fn(input)
  return input}
export function tapAsync(fn, input){  if (arguments.length === 1){    return async _input => tapAsyncFn(fn, _input)  }
  return new Promise((resolve, reject) => {    tapAsyncFn(fn, input).then(resolve)      .catch(reject)  })}