"use strict";

Object.defineProperty(exports, "__esModule", {
  value: true
});
exports.exists = exists;

var tsplus_module_1 = /*#__PURE__*/_interopRequireWildcard( /*#__PURE__*/require("@effect/core/stm/STM/operations/succeed"));

var tsplus_module_2 = /*#__PURE__*/_interopRequireWildcard( /*#__PURE__*/require("@effect/core/stm/STM/operations/flatMap"));

var tsplus_module_3 = /*#__PURE__*/_interopRequireWildcard( /*#__PURE__*/require("@effect/core/stm/STM/operations/succeedNow"));

var tsplus_module_4 = /*#__PURE__*/_interopRequireWildcard( /*#__PURE__*/require("@effect/core/stm/STM/operations/suspend"));

function _getRequireWildcardCache(nodeInterop) { if (typeof WeakMap !== "function") return null; var cacheBabelInterop = new WeakMap(); var cacheNodeInterop = new WeakMap(); return (_getRequireWildcardCache = function (nodeInterop) { return nodeInterop ? cacheNodeInterop : cacheBabelInterop; })(nodeInterop); }

function _interopRequireWildcard(obj, nodeInterop) { if (!nodeInterop && obj && obj.__esModule) { return obj; } if (obj === null || typeof obj !== "object" && typeof obj !== "function") { return { default: obj }; } var cache = _getRequireWildcardCache(nodeInterop); if (cache && cache.has(obj)) { return cache.get(obj); } var newObj = {}; var hasPropertyDescriptor = Object.defineProperty && Object.getOwnPropertyDescriptor; for (var key in obj) { if (key !== "default" && Object.prototype.hasOwnProperty.call(obj, key)) { var desc = hasPropertyDescriptor ? Object.getOwnPropertyDescriptor(obj, key) : null; if (desc && (desc.get || desc.set)) { Object.defineProperty(newObj, key, desc); } else { newObj[key] = obj[key]; } } } newObj.default = obj; if (cache) { cache.set(obj, newObj); } return newObj; }

/**
 * Determines whether any element of the `Collection<A>` satisfies the effectual
 * predicate `f`.
 *
 * @tsplus static ets/STM/Ops exists
 */
function exists(as, f) {
  return tsplus_module_2.flatMap_(tsplus_module_1.succeed(as), Collection => loop(Collection[Symbol.iterator](), f));
}

function loop(iterator, f) {
  const next = iterator.next();

  if (next.done) {
    return tsplus_module_3.succeedNow(false);
  }

  return tsplus_module_2.flatMap_(f(next.value), b => b ? tsplus_module_3.succeedNow(b) : tsplus_module_4.suspend(() => loop(iterator, f)));
}
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