History of main 9 changes

In src/main.rs, lines 8–23 on 75036530b62161b517e759e8319fc1fdc21e45d9e62e1d01ab78b8ffc0673ba2+e1dc6d6aad4f8c6807e12dc4d03c3af17bdadb17e31533b17745b3c31f81e829+f97d3556db5fec09ebd0c519f38c855eef859a7e49be0f41a477423d175fc3a9. 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.