unregister method

void unregister(String name)

Unregister a command by name.

Implementation

void unregister(String name) {
  final reg = _byName.remove(name);
  if (reg != null) {
    _commands.remove(reg);
    for (final alias in reg.allAliases) {
      _byAlias.remove(alias);
    }
  }
}