j type

[TheFausap]

Hello,
I noticed the type "j" is missing from the types table.
This could be useful to avoid "strange" result (it's not strange because we're dealing with int)

fact:{*/1+!x}
fact 20
-2102132736

while
fact:{*/1j+!x}
fact 20
2432902008176640000j

[kelas]

Excellent, thank you.