Function goose::metrics::merge_times

pub fn merge_times(
    global_response_times: BTreeMap<usize, usize>, 
    local_response_times: BTreeMap<usize, usize>
) -> BTreeMap<usize, usize>

A helper function that merges together times.

Used in lib.rs to merge together per-thread times, and in metrics.rs to aggregate all times.