VarIterator.opApply

Variable Iterator. Iterates over keys of a category.

  1. int opApply(int delegate(ref istring key, ref T val) dg)
  2. int opApply(int delegate(ref istring x) dg)
    struct VarIterator(T = istring)
    int
    opApply
    (
    scope int delegate
    ()
    dg
    )

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