Bump to r-lib/tree-sitter-r@a90d569

Author: DavisVaughan

Cargo.lock

@@ -47,7 +47,7 @@ stdext = { path = "../stdext" }
 tokio = { version = "1.26.0", features = ["full"] }
 tower-lsp = "0.19.0"
 tree-sitter = "0.23.0"
-tree-sitter-r = { git = "https://github.com/r-lib/tree-sitter-r", rev = "f6f60a5c26a824dd5689cec4c165457259bcb614" }
+tree-sitter-r = { git = "https://github.com/r-lib/tree-sitter-r", rev = "a90d569e67ce17bc4c96f53e6e84a24f06de6367" }
 uuid = "1.3.0"
 url = "2.4.1"
 walkdir = "2"

crates/ark/Cargo.toml

@@ -544,4 +544,17 @@ r"--()-")--"
         let diagnostics = text_diagnostics(text);
         assert!(diagnostics.is_empty());
     }
+
+    #[test]
+    fn test_no_syntax_diagnostic_on_null_argument_name() {
+        // https://github.com/r-lib/tree-sitter-r/issues/164
+        let text = r#"
+switch(
+  typeof(x),
+  NULL = ,
+)
+        "#;
+        let diagnostics = text_diagnostics(text);
+        assert!(diagnostics.is_empty());
+    }
 }