Replace by operator[], begin() and end(), which don't have overhead since commit2484de6728(Remove non- const Sequence::begin()/end() in internal code, 2021-10-15) and commitfb3c04bd19(Drop non-const Sequence::operator[] in internal code, 2021-11-05). Change-Id: I221470b3439bb0dc6e7705b0d99deb3cd2063484 Reviewed-on: https://gerrit.libreoffice.org/c/core/+/195176 Tested-by: Jenkins Reviewed-by: Mike Kaganski <mike.kaganski@collabora.com>
Formula Helper Code
Contains parts of the formula parser used outside LibreOffice Calc code that has been pulled out from Calc's formula parser code.
Also contains some functions that are needed by code in both sc and
scaddins. Located here just for convenience. So sue me.