pub fn const_<T>(value: T) -> Node<Const<T>> {
    Node {
        calc: Const(value),
        graph: None,
    }
}
/// Returns a node whose value never changes.
Returns a node whose value never changes.
Returns a node whose value never changes .
pub fn const_<T>(value: T) -> Node<Const<T>> {
    Node {
        calc: Const(value),
        graph: None,
    }
}
pub fn const_ < T > ( value : T ) -> Node < Const < T > > { Node { calc : Const ( value ) , graph : None , } }
Returns a node whose value never changes.
Returns a node whose value never changes .
value
T
value
T