OpApplyAddIndex.opApply

Undocumented in source. Be warned that the author may not have intended to support it.
  1. int opApply(int delegate(ref size_t, ref TValue val) dg)
  2. int opApply(int delegate(ref TValue val) dg)
    template OpApplyAddIndex(alias ApplyFunc, TValue, bool ADD_APPLY_FUNC = false)
    static if(ADD_APPLY_FUNC)
    int
    opApply
    (
    int delegate
    (
    ref TValue val
    )
    dg
    )

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