1var hidden: u32 = 0;
 2export fn updateHidden(val: u32) void {
 3    hidden = val;
 4}
 5export fn getHidden() u32 {
 6    return hidden;
 7}
 8
 9const T = extern struct { x: u32 };
10
11export var mut_val: f64 = 1.23;
12export const const_val: T = .{ .x = 42 };