History of main 9 changes

In src/main.rs, lines 8–23 on 135212de5370ab32bf3501985a41667bb087f10dec75ffea2c37fea92be69542+d4dbab97e9481a95cd2b7bb47747f967e3eee85da7397703a77692aa688f34a9+fce44ae9ad290390138d421f79733a5257e2ce15cbc87ad780861d1b44677c17. Every change that wrote or deleted one of these lines, or deleted a line from between them. Exact, because each line keeps its identity across edits; edits elsewhere in the file are not here. Also: oxy log -L 8,23:src/main.rs.