Lints
- `while true` can be replaced with `loop`
Detects while loops which can be replaced with loop.
- Cast can be replaced with literal suffix
Detects as casts that can be replaced with literal suffixes.
- Deprecated element
Detects the item marked with #[deprecated(...)] attribute, which is discouraged from using, typically because it is dangerous, or because a better alternative exists.
- Ineffective path statements
Detects path statements with no effect.
- Liveness analysis
Reports unused local variables and parameters.
- Non-shorthand field pattern
Detects using Struct { x: x } instead of Struct { x } in a pattern.
- Redundant `#[must_use]`
Checks for a #[must_use] attribute without further information on functions and methods that return a type already marked as #[must_use].
- Redundant semicolons
Detects unnecessary trailing semicolons.
- Unknown crate types
Detects an unknown crate type found in a crate_type attribute.
- Unnecessary cast
Detects unnecessary as casts.
- Unnecessary lifetime annotations
Checks for lifetime annotations which can be removed by relying on lifetime elision.
- Unnecessary parentheses
Detects unnecessary parentheses.
- Unnecessary path prefix
Detects unnecessarily qualified paths.
- Unnecessary return
Reports unnecessary return statements at the end of a block.
- Unreachable code
Reports unreachable code.
- Unreachable patterns
Checks that match expression doesn't have unreachable patterns.
- Unused `#[must_use]`
Detects unused result of a type flagged as #[must_use].
- Unused `mut` modifier
Detects unnecessary mut qualifiers.
- Unused import
Detects unused use directives.
- Unused labels
Detects labels that are never used.
- Unwrap can be replaced with `?`
Reports calls to `unwrap()` that can be replaced with `?`.
- Naming conventions
Sub-group of 18 inspections that provide checks for Naming conventions