| error[E0433]: failed to resolve: use of undeclared type `IntoIter` | 
 |   --> $DIR/issue-82956.rs:25:24 | 
 |    | | 
 | LL |         let mut iter = IntoIter::new(self); | 
 |    |                        ^^^^^^^^ use of undeclared type `IntoIter` | 
 |    | | 
 | help: consider importing one of these structs | 
 |    | | 
 | LL + use std::array::IntoIter; | 
 |    | | 
 | LL + use std::collections::binary_heap::IntoIter; | 
 |    | | 
 | LL + use std::collections::btree_map::IntoIter; | 
 |    | | 
 | LL + use std::collections::btree_set::IntoIter; | 
 |    | | 
 |    = and 9 other candidates | 
 |  | 
 | error: aborting due to 1 previous error | 
 |  | 
 | For more information about this error, try `rustc --explain E0433`. |