dec

Decrements value.

Returns decremented value. If value does not exist or if it is lower that limit then returns default.

dec[value, limit, default]

#<result> = dec[#<result>, 0, 3]
(print,#<result>)
 
#<result> = dec[#<result>, 0, 3]
(print,#<result>)
 
#<result> = dec[#<result>, 0, 3]
(print,#<result>)
 
#<result> = dec[#<result>, 0, 3]
(print,#<result>)
 
#<result> = dec[#<result>, 0, 3]
(print,#<result>)

result:

3
2
1
0
3

inc