every<T> function

bool every<T>(
  1. Iterable<T> list,
  2. bool call(
    1. T
    )
)

判断列表里面的元素是否都满足条件

Implementation

bool every<T>(Iterable<T> list, bool Function(T) call) {
  for (var e in list) {
    if (!call.call(e)) {
      return false;
    }
  }
  return true;
}