value property

T value

The variable's value.

Implementation

T get value {
  if (!_cached) {
    var value = _callback!();
    _value = value is T ? value : defaultValue;
    _cached = true;
  }

  // We can't use `!` here because `T` might itself be a nullable type. We
  // don't necessarily know that `_value` isn't null, we just know that it's
  // the value returned by `_callback`.
  return _value as T;
}

void value=(T value)

Implementation

set value(T value) {
  if (_frozen) {
    throw StateError(
        "Can't modify a ConfigVariable after pkg.add*Tasks() has been "
        "called.");
  }

  _callback = null;
  _value = value;
  _cached = true;
}