Update the time value of the item having the specified handle to the specified newTime and optionally load into the optionally specified isNewTop a non-zero value if the modified item is now the lowest time value in the time queue or zero otherwise. Return 0 on success, and a non-zero value if there is currently no item having the handle registered with this time queue.
Declared in <bdlcc_timequeue.h>
int
update(
Handle handle,
bsls::TimeInterval const& newTime,
int* isNewTop = 0);