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From: Maximiliano Sandoval <m.sandoval@proxmox.com>
To: pbs-devel@lists.proxmox.com
Subject: [pbs-devel] [PATCH proxmox 10/10] apt: repositories: remove unnecessary if-let in iterator
Date: Tue,  3 Dec 2024 11:20:38 +0100	[thread overview]
Message-ID: <20241203102038.166031-10-m.sandoval@proxmox.com> (raw)
In-Reply-To: <20241203102038.166031-1-m.sandoval@proxmox.com>

Fixes the manual_flatten clippy lint:

```
warning: unnecessary `if let` since only the `Some` variant of the iterator element is used
  --> proxmox-apt/src/repositories/mod.rs:40:5
   |
40 |       for digest in digests.values() {
   |       ^             ---------------- help: try: `digests.values().copied().flatten()`
   |  _____|
   | |
41 | |         if let Some(digest) = digest {
42 | |             common_raw.extend_from_slice(&digest[..]);
43 | |         }
44 | |     }
   | |_____^
   |
help: ...and remove the `if let` statement in the for loop
  --> proxmox-apt/src/repositories/mod.rs:41:9
   |
41 | /         if let Some(digest) = digest {
42 | |             common_raw.extend_from_slice(&digest[..]);
43 | |         }
   | |_________^
   = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#manual_flatten
   = note: `#[warn(clippy::manual_flatten)]` on by default
```

Signed-off-by: Maximiliano Sandoval <m.sandoval@proxmox.com>
---
 proxmox-apt/src/repositories/mod.rs | 6 ++----
 1 file changed, 2 insertions(+), 4 deletions(-)

diff --git a/proxmox-apt/src/repositories/mod.rs b/proxmox-apt/src/repositories/mod.rs
index 4c954668..b688f66e 100644
--- a/proxmox-apt/src/repositories/mod.rs
+++ b/proxmox-apt/src/repositories/mod.rs
@@ -37,10 +37,8 @@ fn common_digest(files: &[APTRepositoryFile]) -> ConfigDigest {
     }
 
     let mut common_raw = Vec::<u8>::with_capacity(digests.len() * 32);
-    for digest in digests.values() {
-        if let Some(digest) = digest {
-            common_raw.extend_from_slice(&digest[..]);
-        }
+    for digest in digests.values().copied().flatten() {
+        common_raw.extend_from_slice(&digest[..]);
     }
 
     ConfigDigest::from_slice(&common_raw[..])
-- 
2.39.5



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  parent reply	other threads:[~2024-12-03 10:21 UTC|newest]

Thread overview: 11+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2024-12-03 10:20 [pbs-devel] [PATCH proxmox 01/10] apt: file: Use unwrap_or_default instead of match Maximiliano Sandoval
2024-12-03 10:20 ` [pbs-devel] [PATCH proxmox 02/10] api: webhook: doc: add indentation to list item Maximiliano Sandoval
2024-12-03 10:20 ` [pbs-devel] [PATCH proxmox 03/10] apt: repositories: use if-let instead of match for Option Maximiliano Sandoval
2024-12-03 10:20 ` [pbs-devel] [PATCH proxmox 04/10] router: parsing: docs: fix Records::from link Maximiliano Sandoval
2024-12-03 10:20 ` [pbs-devel] [PATCH proxmox 05/10] router: parsing: docs: fix 'instead' typo Maximiliano Sandoval
2024-12-03 10:20 ` [pbs-devel] [PATCH proxmox 06/10] elide lifetimes where possible Maximiliano Sandoval
2024-12-03 10:20 ` [pbs-devel] [PATCH proxmox 07/10] remove unnecessary return statement Maximiliano Sandoval
2024-12-03 10:20 ` [pbs-devel] [PATCH proxmox 08/10] docs: remove empty lines in docs Maximiliano Sandoval
2024-12-03 10:20 ` [pbs-devel] [PATCH proxmox 09/10] sys: systemd: remove empty line after outer attribute Maximiliano Sandoval
2024-12-03 10:20 ` Maximiliano Sandoval [this message]
2024-12-03 13:30   ` [pbs-devel] applied-seires: [PATCH proxmox 10/10] apt: repositories: remove unnecessary if-let in iterator Fabian Grünbichler

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