Altering the `Array` type itself isn't feasible, as this causes
unacceptable breakage with existing parsers that depend on it. Instead,
pass in individual `Array` fields for to various `_array__*` functions.
Any time the `contents` of an array may be modified (`free`d, `realloc`d,
etc), return the potentially new address out by value. This prevents any
strict aliasing violations as we're no longer writing to a type-casted
pointer.
Co-authored-by: Nathaniel Wesley Filardo <nwfilardo@gmail.com>
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