控制台warning

[rickyrui]

31941166666666700 is beyond boundary when transfer to integer, the results may not be accurate
控制台warning

[cbbfcd]

bigInt. like #15

[Mario34]

let _boundaryCheckingState = true;
/**
 * 是否进行边界检查，默认开启
 * @param flag 标记开关，true 为开启，false 为关闭，默认为 true
 */
function enableBoundaryChecking(flag = true) {
  _boundaryCheckingState = flag;
}

enableBoundaryChecking