Clock
Returns the current time in seconds since the since the Unix epoch.
Declaration
double clock();
Parameters
None.
Return Value
Returns a double representing the number of seconds (including fractional precision) since the Unix epoch (January 1st, 1970, 00:00:00 UTC).
Example
double start = clock();
sleep(0.5);
double end = clock();
print("Elapsed:", end - start);
Output:
$ Elapsed: 0.505
Sleep
Pauses execution for a given number of seconds.
Declaration
void sleep(double seconds);
Parameters
seconds: Adoublevalue representing the number of seconds to sleep. Must be non-negative.
Return Value
This function returns nothing. It has a return type of void.
Example
print(clock());
sleep(1.5);
print(clock());
Output:
$ 1744147162.493
1744147163.998