diff options
| -rw-r--r-- | book/src/development/common_tools_writing_lints.md | 15 |
1 files changed, 5 insertions, 10 deletions
diff --git a/book/src/development/common_tools_writing_lints.md b/book/src/development/common_tools_writing_lints.md index 2bc275ceff0..e0c3e664b3d 100644 --- a/book/src/development/common_tools_writing_lints.md +++ b/book/src/development/common_tools_writing_lints.md @@ -123,7 +123,8 @@ There are three ways to do this, depending on if the target trait has a diagnostic item, lang item or neither. ```rust -use clippy_utils::{implements_trait, is_trait_method, match_trait_method, paths}; +use clippy_utils::ty::implements_trait; +use clippy_utils::is_trait_method; use rustc_span::symbol::sym; impl LateLintPass<'_> for MyStructLint { @@ -143,13 +144,6 @@ impl LateLintPass<'_> for MyStructLint { .map_or(false, |id| implements_trait(cx, ty, id, &[])) { // `expr` implements `Drop` trait } - - // 3. Using the type path with the expression - // we use `match_trait_method` function from Clippy's utils - // (This method should be avoided if possible) - if match_trait_method(cx, expr, &paths::INTO) { - // `expr` implements `Into` trait - } } } ``` @@ -233,8 +227,9 @@ functions to deal with macros: crates ```rust - #[macro_use] - extern crate a_crate_with_macros; + use rustc_middle::lint::in_external_macro; + + use a_crate_with_macros::foo; // `foo` is defined in `a_crate_with_macros` foo!("bar"); |