model: add new type `MNotNullType` to force that null is excluded from a type.
[nit.git] / tests / test_prog /
drwxr-xr-x   ..
-rw-r--r-- 167 README
drwxr-xr-x - game
drwxr-xr-x - platform
drwxr-xr-x - rpg
-rw-r--r-- 779 test_prog.nit