Variable<D, V> constructor

Variable<D, V>({
  1. required Accessor<D, V> accessor,
  2. Scale<V, num>? scale,
})

Creates a variable specification.

Implementation

Variable({
  required this.accessor,
  this.scale,
}) : assert(accessor is Accessor<D, String> ||
          accessor is Accessor<D, num> ||
          accessor is Accessor<D, DateTime>);