diff options
| -rw-r--r-- | clippy_lints/src/methods/mod.rs | 13 |
1 files changed, 12 insertions, 1 deletions
diff --git a/clippy_lints/src/methods/mod.rs b/clippy_lints/src/methods/mod.rs index f2dabdd3438..2bb2db3bd78 100644 --- a/clippy_lints/src/methods/mod.rs +++ b/clippy_lints/src/methods/mod.rs @@ -3859,6 +3859,7 @@ declare_clippy_lint! { declare_clippy_lint! { /// ### What it does /// Checks for usage of `option.map(f).unwrap_or_default()` and `result.map(f).unwrap_or_default()` where f is a function or closure that returns the `bool` type. + /// Also checks for equality comparisons like `option.map(f) == Some(true)` and `result.map(f) == Ok(true)`. /// /// ### Why is this bad? /// Readability. These can be written more concisely as `option.is_some_and(f)` and `result.is_ok_and(f)`. @@ -3869,6 +3870,11 @@ declare_clippy_lint! { /// # let result: Result<usize, ()> = Ok(1); /// option.map(|a| a > 10).unwrap_or_default(); /// result.map(|a| a > 10).unwrap_or_default(); + /// + /// option.map(|a| a > 10) == Some(true); + /// result.map(|a| a > 10) == Ok(true); + /// option.map(|a| a > 10) != Some(true); + /// result.map(|a| a > 10) != Ok(true); /// ``` /// Use instead: /// ```no_run @@ -3876,11 +3882,16 @@ declare_clippy_lint! { /// # let result: Result<usize, ()> = Ok(1); /// option.is_some_and(|a| a > 10); /// result.is_ok_and(|a| a > 10); + /// + /// option.is_some_and(|a| a > 10); + /// result.is_ok_and(|a| a > 10); + /// option.is_none_or(|a| a > 10); + /// !result.is_ok_and(|a| a > 10); /// ``` #[clippy::version = "1.77.0"] pub MANUAL_IS_VARIANT_AND, pedantic, - "using `.map(f).unwrap_or_default()`, which is more succinctly expressed as `is_some_and(f)` or `is_ok_and(f)`" + "using `.map(f).unwrap_or_default()` or `.map(f) == Some/Ok(true)`, which are more succinctly expressed as `is_some_and(f)` or `is_ok_and(f)`" } declare_clippy_lint! { |