vlib/v/checker/tests/unused_private_declarations.vv:4:7: notice: unused constant: `unused_const`
    2 | const used_by_pub_const = 3
    3 | const const_used_by_unused_fn = 2
    4 | const unused_const = 4
      |       ~~~~~~~~~~~~~~~~
    5 | 
    6 | fn used_fn() int {
vlib/v/checker/tests/unused_private_declarations.vv:14:4: notice: unused function: `unused_fn`
   12 | }
   13 | 
   14 | fn unused_fn() int {
      |    ~~~~~~~~~
   15 |     return const_used_by_unused_fn
   16 | }