Group.opIndex

opIndex that returns Axis for column/row binary operations

  1. auto opIndex(size_t i1, size_t i2, size_t i3)
  2. auto opIndex(T i1, U i2, V i3)
  3. auto opIndex(T groupIndex, U index, Args args)
    struct Group(GrpRowType...)
    opIndex
    (
    T
    U
    Args...
    )
    (,,
    Args args
    )
    if (
    (
    is(T == string) ||
    is(T == string[])
    )
    &&
    (
    is(U == string) ||
    is(U == string[])
    )
    &&
    (
    Args.length == 0 ||
    (
    Args.length == 1 &&
    is(Args[0] == int)
    )
    )
    )

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