From d8a9275fe494ece48f0ebd6dccb2bd3c72f9916f Mon Sep 17 00:00:00 2001
From: Huanghe <xs28@rice.edu>
Date: Thu, 22 Aug 2024 18:20:10 -0500
Subject: [PATCH] Bug fix: literals passed to FormatterBuilder now implements
 `__str__` correctly

---
 pyproject.toml             | 2 +-
 src/formatron/extractor.py | 3 +++
 2 files changed, 4 insertions(+), 1 deletion(-)

diff --git a/pyproject.toml b/pyproject.toml
index 24755e9e..bbabf554 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -3,7 +3,7 @@ requires = ["setuptools>=61.0"]
 build-backend = "setuptools.build_meta"
 [project]
 name = "formatron"
-version = "0.3.1"
+version = "0.3.2"
 authors = [
   {name = "Xintong Sun", email = "xs28@rice.edu"},
 ]
diff --git a/src/formatron/extractor.py b/src/formatron/extractor.py
index 9fb489ab..f0d00f84 100644
--- a/src/formatron/extractor.py
+++ b/src/formatron/extractor.py
@@ -80,6 +80,9 @@ def extract(self, input_str: str) -> typing.Optional[tuple[str, typing.Any]]:
     def kbnf_representation(self) -> str:
         return repr(self._literal)
 
+    def __str__(self):
+        return f"${{{self.kbnf_representation}}}"
+
 
 class RegexExtractor(Extractor):
     """