Switched to symbols instead of using strings

Author: rommeld

clippy_lints/src/methods/chunks_exact_to_as_chunks.rs

@@ -1,8 +1,10 @@
 use clippy_utils::consts::{ConstEvalCtxt, Constant};
 use clippy_utils::diagnostics::span_lint_and_help;
 use clippy_utils::msrvs::{self, Msrv};
+use clippy_utils::sym;
 use rustc_hir::Expr;
 use rustc_lint::LateContext;
+use rustc_span::Symbol;
 
 use super::CHUNKS_EXACT_TO_AS_CHUNKS;
 
@@ -11,7 +13,7 @@ pub(super) fn check(
     expr: &Expr<'_>,
     recv: &Expr<'_>,
     arg: &Expr<'_>,
-    method_name: &str,
+    method_name: Symbol,
     msrv: Msrv,
 ) {
     // Check for Rust version
@@ -29,7 +31,7 @@ pub(super) fn check(
     let constant_eval = ConstEvalCtxt::new(cx);
     if let Some(Constant::Int(chunk_size)) = constant_eval.eval(arg) {
         // Emit the lint
-        let suggestion = if method_name == "chunks_exact_mut" {
+        let suggestion = if method_name == sym::chunks_exact_mut {
             "as_chunks_mut"
         } else {
             "as_chunks"

clippy_lints/src/methods/mod.rs

@@ -4814,6 +4814,7 @@ impl_lint_pass!(Methods => [
     ITER_NTH,
     ITER_NTH_ZERO,
     BYTES_NTH,
+    CHUNKS_EXACT_TO_AS_CHUNKS,
     ITER_SKIP_NEXT,
     GET_UNWRAP,
     GET_LAST_WITH_LEN,
@@ -5742,8 +5743,8 @@ impl Methods {
                         unwrap_expect_used::Variant::Unwrap,
                     );
                 },
-                (name, [arg]) if matches!(name.as_str(), "chunks_exact" | "chunks_exact_mut") => {
-                    chunks_exact_to_as_chunks::check(cx, expr, recv, arg, name.as_str(), self.msrv);
+                (name @ (sym::chunks_exact | sym::chunks_exact_mut), [arg]) => {
+                    chunks_exact_to_as_chunks::check(cx, expr, recv, arg, name, self.msrv);
                 },
                 _ => {},
             }

clippy_utils/src/sym.rs

@@ -111,6 +111,8 @@ generate! {
     checked_pow,
     checked_rem_euclid,
     checked_sub,
+    chunks_exact,
+    chunks_exact_mut,
     clamp,
     clippy_utils,
     clone_into,