RsDoctorrust-doctor · Performance
excessive-clone
Flags `.clone()` calls that may indicate unnecessary heap allocations. Each clone copies the entire value, which is expensive for `String`, `Vec`, and other heap-allocated types.
- Severity
- warning
- Confidence
- medium
- Analyzer
- syn-ast
- Default policy
- Enabled
Tags
Framework requirements
No framework requirement.
Limitations
- Syntactic analysis does not have rustc name resolution or inferred type information.
Remediation
Use references (`&T`) or `Cow<T>` instead of cloning. Consider restructuring ownership to avoid the clone.
Fix capability: guidance