Blocklog: Return std::optional for head_id #1351

Merged

heifner merged 3 commits intomainfrom GH-1289-block-log

Jun 29, 2023

+27-30

Commits on Jun 28, 2023

GH-1289 Return std::optional for head_id to make it clearer when head not available
heifner
committed
GH-1289 Combine head and head_id into one optional
heifner
committed

Commits on Jun 29, 2023

GH-1289 Use struct instead of std::pair
heifner
committed