listEquals<T> function

bool listEquals <T>(List<T> a, List<T> b)

Compares two lists for deep equality.

Returns true if the lists are both null, or if they are both non-null, have the same length, and contain the same members in the same order. Returns false otherwise.

See also:

  • setEquals, which does something similar for sets.


bool listEquals<T>(List<T> a, List<T> b) {
  if (a == null)
    return b == null;
  if (b == null || a.length != b.length)
    return false;
  for (int index = 0; index < a.length; index += 1) {
    if (a[index] != b[index])
      return false;
  return true;