feat(natu): detect redundant let expressions

src/natu/rules.rs

@@ -10,6 +10,7 @@ pub mod let_order;
 pub mod list_to_attrs_map;
 pub mod manual_inherit;
 pub mod manual_inherit_from;
+pub mod redundant_let;
 pub mod redundant_parameter_forwarding;
 pub mod unquoted_uri;
 
@@ -90,6 +91,16 @@ pub fn run_rules(file: &ast::ParsedFile, graph: &ScopeGraph, source: &str) -> Ve
                 binding: None,
                 expected_order: Some(finding.expected_order),
             });
+    let redundant_let_diagnostics =
+        redundant_let::check(&file.root)
+            .into_iter()
+            .map(|finding| Finding {
+                rule_id: "redundant_let",
+                range: finding.range,
+                message: "Inline this returned let binding",
+                binding: None,
+                expected_order: None,
+            });
     let redundant_parameter_forwarding_diagnostics =
         redundant_parameter_forwarding::check(&file.root)
             .into_iter()
@@ -103,6 +114,7 @@ pub fn run_rules(file: &ast::ParsedFile, graph: &ScopeGraph, source: &str) -> Ve
     node_diagnostics
         .chain(token_diagnostics)
         .chain(let_order_diagnostics)
+        .chain(redundant_let_diagnostics)
         .chain(redundant_parameter_forwarding_diagnostics)
         .filter(|finding| !is_suppressed(source, finding.range, finding.rule_id))
         .map(|finding| Diagnostic {