fix: clippy warnings.

Author: rzvxa

tasks/ast_codegen/src/generators/assert_layouts.rs

@@ -68,13 +68,13 @@ fn assert_type(ty: &Type, def: &TypeDef) -> (TokenStream, TokenStream) {
                 assert_size_align(ty, def.size_64, def.align_64),
                 ty,
                 &def.fields,
-                def.offsets_64.as_ref().map(Vec::as_slice),
+                def.offsets_64.as_deref(),
             ),
             with_offsets_assertion(
                 assert_size_align(ty, def.size_32, def.align_32),
                 ty,
                 &def.fields,
-                def.offsets_64.as_ref().map(Vec::as_slice),
+                def.offsets_64.as_deref(),
             ),
         ),
         TypeDef::Enum(def) => (