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import { isArray } from './_internals/isArray.js'import { curry } from './curry.js'
class ReduceStopper{  constructor(value){    this.value = value  }}
export function reduceFn(  reducer, acc, list){  if (list == null){    return acc  }  if (!isArray(list)){    throw new TypeError('reduce: list must be array or iterable')  }  let index = 0  const len = list.length
  while (index < len){    acc = reducer(      acc, list[ index ], index, list    )    if (acc instanceof ReduceStopper){      return acc.value    }    index++  }
  return acc}
export const reduce = curry(reduceFn)export const reduceStopper = value => new ReduceStopper(value)