tests/ui/closures/2229_closure_analysis/migrations/insignificant_drop.rs

   1 // run-pass
   2 // run-rustfix
   3
   4 #![deny(rust_2021_incompatible_closure_captures)]
   5 #![allow(unused)]
   6
   7 // Test cases for types that implement an insignificant drop (stlib defined)
   8
   9 macro_rules! test_insig_dtor_for_type {
  10     ($t: ty, $disambiguator: ident) => {
  11         mod $disambiguator {
  12             use std::collections::*;
  13             use std::rc::Rc;
  14             use std::sync::Mutex;
  15
  16             fn test_for_type(t: $t) {
  17                 let tup = (Mutex::new(0), t);
  18
  19                 let _c = || tup.0;
  20             }
  21         }
  22     };
  23 }
  24
  25 test_insig_dtor_for_type!(i32, prim_i32);
  26 test_insig_dtor_for_type!(Vec<i32>, vec_i32);
  27 test_insig_dtor_for_type!(String, string);
  28 test_insig_dtor_for_type!(Vec<String>, vec_string);
  29 test_insig_dtor_for_type!(HashMap<String, String>, hash_map);
  30 test_insig_dtor_for_type!(BTreeMap<String, i32>, btree_map);
  31 test_insig_dtor_for_type!(LinkedList<String>, linked_list);
  32 test_insig_dtor_for_type!(Rc<i32>, rc_i32);
  33 test_insig_dtor_for_type!(Rc<String>, rc_string);
  34 test_insig_dtor_for_type!(std::vec::IntoIter<String>, vec_into_iter);
  35 test_insig_dtor_for_type!(btree_map::IntoIter<String, String>, btree_map_into_iter);
  36 test_insig_dtor_for_type!(std::array::IntoIter<String, 5>, array_into_iter);
  37
  38 fn main() {}