// main.zig:
const std = @import("std");
const builtin = @import("builtin");
const typeinfo = builtin.TypeInfo;
const typeid = builtin.TypeId;

pub fn main() anyerror!void {
    const info = @typeInfo(@import("namespace.zig"));

    switch (info) {
        typeid.Struct => |s| {
            inline for(s.defs) |def| {
                std.debug.warn("{}\n", def.name);
            }
        },
        else => unreachable,
    }
}

// namespace.zig
const hello = struct {};
var world: i32 = undefined