Formatting

src/bin/ast.rs

@@ -103,7 +103,12 @@ fn execute(env: &Environment, source: &str) {
     let result = env.compile(source);
     for diag in &result.diagnostics.items {
         let level = format!("{:?}", diag.level).to_uppercase();
-        let loc = diag.identity.as_ref().and_then(|id| id.location).map(|l| format!(" at {}:{}", l.line, l.col)).unwrap_or_default();
+        let loc = diag
+            .identity
+            .as_ref()
+            .and_then(|id| id.location)
+            .map(|l| format!(" at {}:{}", l.line, l.col))
+            .unwrap_or_default();
         eprintln!("{}{} : {}", level, loc, diag.message);
     }