1  
 2  program test.alpha {
 3      // test 1: adjacent duplicate - no gap marker
 4      struct Bar {
 5          x: u32,
 6          x: u32,
 7      }
 8  
 9      // test 2: duplicate with gap marker - "..."
10      struct Person {
11          name: field,
12          age: u8,
13          city: field,
14          name: field,
15      }
16  
17      // test 3: multiple different duplicates
18      struct Data {
19          id: u32,
20          val: u64,
21          id: u32,
22          val: u64,
23      }
24  
25      // test 4: large gap between duplicates
26      struct Config {
27          host: field,
28          port: u16,
29          protocol: field,
30          timeout: u32,
31          retry_count: u8,
32          max_connections: u32,
33          buffer_size: u64,
34          compression: bool,
35          encryption: bool,
36          host: field,
37      }
38  
39      function main(zz: bool) -> bool {
40          return true;
41      }
42  }