Added support for the mod operator

libs/parser/src/test/blocks.rs

@@ -0,0 +1,21 @@
+use tokenizer::Tokenizer;
+
+use crate::Parser;
+
+#[test]
+fn test_block() -> anyhow::Result<()> {
+    let mut parser = crate::parser!(
+        r#"
+        {
+            let x = 5;
+            let y = 10;
+        }
+        "#
+    );
+
+    let expression = parser.parse()?.unwrap();
+
+    assert_eq!("{ (let x = 5); (let y = 10); }", expression.to_string());
+
+    Ok(())
+}