Toggle navigation
?
users online
Logout
Open hangout
Open chat for current file
r([H|T]):-r(H,[H|T]). r(H,[H|T]):-r(H,T). r(_,[]). g(N,0):-number_chars(N,L),r(L). g(N,X):-N1 is N+1,g(N1,X1),X is X1+1.