On 2026-02-25 19:45, Elsanti wrote:
> Replace the TODO-only removal of #[test] attributes with a
> retain_mut-based filter that works with the current MSRV.
> This preserves test detection without depending on
> Vec::extract_if and keeps the generated KUnit wrappers correct.
>
> Signed-off-by: Elsanti <[email protected]>
> ---
> rust/macros/kunit.rs | 13 +++++++++----
> 1 file changed, 9 insertions(+), 4 deletions(-)
>
> diff --git a/rust/macros/kunit.rs b/rust/macros/kunit.rs
> index 6be880d634e2..e064419bfc10 100644
> --- a/rust/macros/kunit.rs
> +++ b/rust/macros/kunit.rs
> @@ -87,10 +87,15 @@ pub(crate) fn kunit_tests(test_suite: Ident, mut module:
> ItemMod) -> Result<Toke
> continue;
> };
>
> - // TODO: Replace below with `extract_if` when MSRV is bumped above
> 1.85.
> - let before_len = f.attrs.len();
> - f.attrs.retain(|attr| !attr.path().is_ident("test"));
> - if f.attrs.len() == before_len {
> + let mut had_test_attr = false;
> + f.attrs.retain_mut(|attr| {
> + let is_test = attr.path().is_ident("test");
> + if is_test {
> + had_test_attr = true;
> + }
> + !is_test
> + });
Eh, no. I think the current code is more readable. I added the TODO because I
think
if f.attrs.extract_if(|attr| attr.path().is_ident("test")).count() == 0 {
...
}
is slightly more readable, not that I had any issue with length comparison.
Best,
Gary
> + if !had_test_attr {
> processed_items.push(Item::Fn(f));
> continue;
> }