Method: XArray#delete_at

Defined in:

lib/primitive_wrapper.rb

#delete_at(*index_list) ⇒ Object

# File 'lib/primitive_wrapper.rb', line 1234

def delete_at(*index_list)
  return nil if index_list.empty?
  rtn = []
  if (index_list.count==1)
    if index_list.first==:all
      rtn = @value.dup
      @value.empty!
      return rtn
    else
      ii = index_list.first
      rtn = self[ii]
      if ii.type_of? Range
        ii = ii.to_xr
        ii.re_range!(size)
        ii.reorder!
        ii.reverse_each do |idx|
          @value.delete_at(idx)
        end
        return rtn
      end
    end
  end
  rtn = self[*index_list]
  list = PrimitiveWrapper::get_list(index_list,size)
  list = list & list  # remove duplicates
  list.sort.reverse.each do |idx|
    if idx.type_of? Range
      t_idx = idx.reorder
    else
      t_idx = idx
    end
    @value.delete_at(t_idx)
  end
  return rtn
end