Function: untimer (<f_1>, ..., <f_n>)
Function: untimer () Given functions <f_1>, ..., <f_n>,
untimer removes each function from the timer list.
With no arguments,
untimer removes all functions currently on the timer list.
untimer (f) is executed,
timer_info (f) still returns previously collected timing statistics, although
timer_info() (with no arguments) does not return information about any function not currently on the timer list.
timer (f) resets all timing statistics to zero and puts
f on the timer list again.
(%o1) true (%i2)