NeighboursIterator.opBinary

Undocumented in source. Be warned that the author may not have intended to support it.
  1. auto opBinary(ptrdiff_t index)
  2. ptrdiff_t opBinary(typeof(this) right)
    struct NeighboursIterator(Iterator, size_t N, alias _fun, bool around)
    scope const
    @optmath
    ptrdiff_t
    opBinary
    (
    string op : "-"
    )
    (
    scope ref const typeof(this) right
    )

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