Units.Duration
Printers for time durations (e.g. MM:SS, HH:MM:SS).
MM:SS
HH:MM:SS
val mm_ss : Mtime.Span.t Progress_engine__.Printer.t
Prints a time span in fixed-width MM:SS form.
val hh_mm_ss : Mtime.Span.t Progress_engine__.Printer.t
Prints a time span in fixed-width HH:MM:SS form.