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function _curryN(n, cache, fn) {  return function () {    let ci = 0    let ai = 0    const cl = cache.length    const al = arguments.length    const args = new Array(cl + al)    while (ci < cl) {      args[ci] = cache[ci]      ci++    }    while (ai < al) {      args[cl + ai] = arguments[ai]      ai++    }    const remaining = n - args.length
    return args.length >= n      ? fn.apply(this, args)      : _arity(remaining, _curryN(n, args, fn))  }}
function _arity(n, fn) {  switch (n) {    case 0:      return function () {        return fn.apply(this, arguments)      }    case 1:      return function (_1) {        return fn.apply(this, arguments)      }    case 2:      return function (_1, _2) {        return fn.apply(this, arguments)      }    case 3:      return function (_1, _2, _3) {        return fn.apply(this, arguments)      }    case 4:      return function (_1, _2, _3, _4) {        return fn.apply(this, arguments)      }    case 5:      return function (_1, _2, _3, _4, _5) {        return fn.apply(this, arguments)      }    case 6:      return function (_1, _2, _3, _4, _5, _6) {        return fn.apply(this, arguments)      }    case 7:      return function (_1, _2, _3, _4, _5, _6, _7) {        return fn.apply(this, arguments)      }    case 8:      return function (_1, _2, _3, _4, _5, _6, _7, _8) {        return fn.apply(this, arguments)      }    case 9:      return function (_1, _2, _3, _4, _5, _6, _7, _8, _9) {        return fn.apply(this, arguments)      }    default:      return function (_1, _2, _3, _4, _5, _6, _7, _8, _9, _10) {        return fn.apply(this, arguments)      }  }}
export function curryN(n, fn) {  if (arguments.length === 1) return _fn => curryN(n, _fn)
  if (n > 10) {    throw new Error(      'First argument to _arity must be a non-negative integer no greater than ten'    )  }
  return _arity(n, _curryN(n, [], fn))}