TreeMap.opApply

Implements a simple left-to-right tree traversal.

  1. int opApply(scope int delegate(ref E) dg)
    struct TreeMap(K, E, bool nogcIndexing = true, alias less = "a < b")
    int
    opApply
    (
    scope int delegate
    (
    ref E
    )
    dg
    )
  2. int opApply(scope int delegate(K, ref E) dg)
  3. int opApply(scope int delegate(K) dg)

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