HashMap.opApply

Undocumented in source. Be warned that the author may not have intended to support it.
  1. int opApply(int delegate(ref K, ref V) dg)
    class HashMap(K, V)
    override
    int
    opApply
    (
    scope int delegate
    (
    ref K
    ,
    ref V
    )
    dg
    )
  2. int opApply(int delegate(MapEntry!(K, V) entry) dg)

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