Absolute-or-relative A1-style cell references, as they appear inside Excel formula tokens.
row_abs? / col_abs? indicate the presence of the $ prefix on each
axis. A fully-absolute reference $A$1 has both true; a relative one
A1 has both false.
Summary
Types
@type t() :: %ExVEx.Formula.Reference{ col: pos_integer(), col_abs?: boolean(), row: pos_integer(), row_abs?: boolean() }