1.9. bodyless fun, proc, const declarations

It is allowed to omit the C definition of primitive functions, procedures, and constants. Felix will generate the body for a function or procedure to call the C function or procedure with the same name and given arguments, and a const will refer to a C entity of the same name.
Start C++ section to tut/examples/tut_bind151.flx[1 /1 ]
     1: include "std";
     2: 
     3: body """
     4: int n = 3;
     5: void f() { n++; }
     6: int g(int a) { return a * a; }
     7: #define N 4
     8: """;
     9: 
    10: proc f: unit;
    11: fun g: int-> int;
    12: const n:int;
    13: const N:int;
    14: 
    15: print n; endl;
    16: f();  print n; endl;
    17: print N; endl;
    18: print (g N); endl;
    19: 
End C++ section to tut/examples/tut_bind151.flx[1]