import { patchGlobalThis as patch, has } from "../../util.js";
let _global = patch();
export const HAS_MAP = has("Map", _global);
export const HAS_SET = has("Set", _global);
export const HAS_WEAK = has("WeakMap", _global) && has("WeakSet", _global);
export const m = "__@@map";
export const s = "__@@set";
const _isNaN = (k: any) => k !== k;
export const _EqCheck = (x: any, y: any) => x === y || (_isNaN(x) && _isNaN(y));
export const normalizeNegativeZero = (k: any) => (k === 0 ? 0 : k);
export const _mapKey = "__@@mkey";
export const _mapVal = "__@mVal";