Rename lint into confusing_method_to_numeric_cast

clippy_lints/src/casts/primitive_method_to_numeric_cast.rs → clippy_lints/src/casts/confusing_method_to_numeric_cast.rs

@@ -6,7 +6,7 @@ use rustc_hir::Expr;
 use rustc_lint::LateContext;
 use rustc_middle::ty::{self, Ty};
 
-use super::PRIMITIVE_METHOD_TO_NUMERIC_CAST;
+use super::CONFUSING_METHOD_TO_NUMERIC_CAST;
 
 fn get_primitive_ty_name(ty: Ty<'_>) -> Option<&'static str> {
     match ty.kind() {
@@ -41,7 +41,7 @@ pub(super) fn check(cx: &LateContext<'_>, expr: &Expr<'_>, cast_expr: &Expr<'_>,
 
         span_lint_and_then(
             cx,
-            PRIMITIVE_METHOD_TO_NUMERIC_CAST,
+            CONFUSING_METHOD_TO_NUMERIC_CAST,
             expr.span,
             format!("casting function pointer `{from_snippet}` to `{cast_to}`"),
             |diag| {

clippy_lints/src/casts/mod.rs

@@ -14,10 +14,10 @@ mod cast_sign_loss;
 mod cast_slice_different_sizes;
 mod cast_slice_from_raw_parts;
 mod char_lit_as_u8;
+mod confusing_method_to_numeric_cast;
 mod fn_to_numeric_cast;
 mod fn_to_numeric_cast_any;
 mod fn_to_numeric_cast_with_truncation;
-mod primitive_method_to_numeric_cast;
 mod ptr_as_ptr;
 mod ptr_cast_constness;
 mod ref_as_ptr;
@@ -776,7 +776,7 @@ declare_clippy_lint! {
     /// let _ = u16::MAX as usize;
     /// ```
     #[clippy::version = "1.86.0"]
-    pub PRIMITIVE_METHOD_TO_NUMERIC_CAST,
+    pub CONFUSING_METHOD_TO_NUMERIC_CAST,
     suspicious,
     "casting a primitive method pointer to any integer type"
 }
@@ -819,7 +819,7 @@ impl_lint_pass!(Casts => [
     ZERO_PTR,
     REF_AS_PTR,
     AS_POINTER_UNDERSCORE,
-    PRIMITIVE_METHOD_TO_NUMERIC_CAST,
+    CONFUSING_METHOD_TO_NUMERIC_CAST,
 ]);
 
 impl<'tcx> LateLintPass<'tcx> for Casts {
@@ -844,7 +844,7 @@ impl<'tcx> LateLintPass<'tcx> for Casts {
             ptr_cast_constness::check(cx, expr, cast_from_expr, cast_from, cast_to, &self.msrv);
             as_ptr_cast_mut::check(cx, expr, cast_from_expr, cast_to);
             fn_to_numeric_cast_any::check(cx, expr, cast_from_expr, cast_from, cast_to);
-            primitive_method_to_numeric_cast::check(cx, expr, cast_from_expr, cast_from, cast_to);
+            confusing_method_to_numeric_cast::check(cx, expr, cast_from_expr, cast_from, cast_to);
             fn_to_numeric_cast::check(cx, expr, cast_from_expr, cast_from, cast_to);
             fn_to_numeric_cast_with_truncation::check(cx, expr, cast_from_expr, cast_from, cast_to);
             zero_ptr::check(cx, expr, cast_from_expr, cast_to_hir);

clippy_lints/src/declared_lints.rs

@@ -96,7 +96,7 @@ pub static LINTS: &[&crate::LintInfo] = &[
     crate::casts::FN_TO_NUMERIC_CAST_INFO,
     crate::casts::FN_TO_NUMERIC_CAST_ANY_INFO,
     crate::casts::FN_TO_NUMERIC_CAST_WITH_TRUNCATION_INFO,
-    crate::casts::PRIMITIVE_METHOD_TO_NUMERIC_CAST_INFO,
+    crate::casts::CONFUSING_METHOD_TO_NUMERIC_CAST_INFO,
     crate::casts::PTR_AS_PTR_INFO,
     crate::casts::PTR_CAST_CONSTNESS_INFO,
     crate::casts::REF_AS_PTR_INFO,

tests/ui/confusing_method_to_numeric_cast.fixed

@@ -0,0 +1,5 @@
+#![warn(clippy::confusing_method_to_numeric_cast)]
+
+fn main() {
+    let _ = u16::MAX as usize; //~ confusing_method_to_numeric_cast
+}

tests/ui/primitive_method_to_numeric_cast.fixed → tests/ui/confusing_method_to_numeric_cast.rs

@@ -1,5 +1,5 @@
 #![warn(clippy::primitive_method_to_numeric_cast)]
 
 fn main() {
-    let _ = u16::MAX as usize; //~ primitive_method_to_numeric_cast
+    let _ = u16::max as usize; //~ confusing_method_to_numeric_cast
 }

tests/ui/confusing_method_to_numeric_cast.stderr

@@ -0,0 +1,24 @@
+error: unknown lint: `clippy::primitive_method_to_numeric_cast`
+  --> tests/ui/confusing_method_to_numeric_cast.rs:1:9
+   |
+LL | #![warn(clippy::primitive_method_to_numeric_cast)]
+   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: did you mean: `clippy::confusing_method_to_numeric_cast`
+   |
+   = note: `-D unknown-lints` implied by `-D warnings`
+   = help: to override `-D warnings` add `#[allow(unknown_lints)]`
+
+error: casting function pointer `u16::max` to `usize`
+  --> tests/ui/confusing_method_to_numeric_cast.rs:4:13
+   |
+LL |     let _ = u16::max as usize;
+   |             ^^^^^^^^^^^^^^^^^
+   |
+   = note: `-D clippy::confusing-method-to-numeric-cast` implied by `-D warnings`
+   = help: to override `-D warnings` add `#[allow(clippy::confusing_method_to_numeric_cast)]`
+help: did you mean to use the associated constant?
+   |
+LL |     let _ = u16::MAX as usize;
+   |             ~~~~~~~~~~~~~~~~~
+
+error: aborting due to 2 previous errors
+