Rust DoctorClippy · Correctness
For loop over next() instead of the iterator
clippy::iter_next_loop
Iterate over the collection itself; iterating over next() runs the loop at most once.
- Category
- Correctness
- Default level
- warn
- Tier
- P1
- Producer
- Clippy
- Diff scope
- line
Not a defect when
Visiting at most the first element is the intent and the loop serves as a terse if let, though an if let would state that intent better.
What it reads
Clippy, with the compiler behind it. The only pass that compiles.
Tier
Serious: worth interrupting other work for.
The tier bounds how severe a rule may be; its category bounds the tier.Diff scope
The changed line itself.
What--scope contextual looks at to decide whether a change caused the finding.Change it
Turn it off, or make it blocking, without touching the code it flags:
rust-doctor --rule clippy::iter_next_loop=off .
rust-doctor --rule clippy::iter_next_loop=error .