arg<T, A>  static method 
      
InitBuilder<T> 
arg<T, A>({  
    
- Key? key,
- required ValueBuilderFn<T> builder,
- required A arg,
- required T getter(- A
 
- ValueSetter<T> ? disposer,
Constructor for one argument getters.
Implementation
static InitBuilder<T> arg<T, A>({
  Key? key,
  required ValueBuilderFn<T> builder,
  required A arg,
  required T Function(A) getter,
  ValueSetter<T>? disposer,
}) =>
    _ArgInitBuilder<T, A>(
      key: key,
      builder: builder,
      arg: arg,
      getter: getter,
      disposer: disposer,
    );