## date and time
default del

# date
date type
-> error should be 0
-> stack should be "number"
del

# time
time type
-> error should be 0
-> stack should be "number"
del

# ticks (1)
ticks type
-> error should be 0
-> stack should be "number"
del

# ticks (2)
ticks ticks - 0 <=
-> stack should be 1
del