error[E0412]: cannot find type `Item` in this scope
 --> .\test.rs:5:5
  |
5 |     Item: Eq + Debug,
  |     ^^^^ not found in this scope

error[E0308]: mismatched types
 --> .\test.rs:7:35
  |
7 |     debug_assert_eq!(iter.next(), Some(value));
  |                                   ^^^^^^^^^^^ expected `Option<<I as Iterator>::Item>`, found `Option<&<I as Iterator>::Item>`
  |
  = note: expected enum `Option<_>`
             found enum `Option<&_>`
  = note: `Option<&<I as Iterator>::Item>` implements `PartialEq<Option<<I as Iterator>::Item>>`
help: consider swapping the equality
 --> C:\Users\jjl98\.rustup\toolchains\stable-x86_64-pc-windows-msvc\lib/rustlib/src/rust\library\core\src\macros\mod.rs:46:22
  |
46|                 if !(*right_val == *left_val) {
  |                      ~~~~~~~~~~    ~~~~~~~~~

error: aborting due to 2 previous errors

Some errors have detailed explanations: E0308, E0412.
For more information about an error, try `rustc --explain E0308`.

rustc 1.85.1 (4eb161250 2025-03-15)
binary: rustc
commit-hash: 4eb161250e340c8f48f66e2b929ef4a5bed7c181
commit-date: 2025-03-15
host: x86_64-pc-windows-msvc
release: 1.85.1
LLVM version: 19.1.7