float literals

example/program.nub

@@ -2,18 +2,9 @@ import c;
 
 global func main(argc: i64, argv: i64) {
     printf("args: %d, starts at %p\n", argc, argv);
-
-    a = 128;
-    b = 32768;
-    c = 2147483648;
-    d = 9223372036850000000;
-
-    x = test(a, b, c, d);
-
-    printf("%d\n", x);
+    test(12.1);
 }
 
-func test(a: i8, b: i16, c: i32, d: i64): i64 {
-    printf("a: %d, b: %d, c: %d, d: %d\n", a, b, c, d);
-    return 12;
+func test(a: f64) {
+    printf("%f\n", a);
 }