History of check 1 change

In crates/flow/src/main.rs, lines 400–410 on 72e9cfca63b535d6cef20a3169d7305da8548271fbd7e51691f3f6974a20671a. 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 400,410:crates/flow/src/main.rs.