UniTree.opt

Convert UniNode to optional primitive type

  1. Nullable!(const(T)) opt()
  2. Nullable!(T) opt()
    struct UniTree
    pure @safe
    Nullable!(T)
    opt
    (
    T
    )
    ()
  3. Nullable!(const(T)) opt(string path)
  4. Nullable!(T) opt(string path)

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