fix: improve typing for AlternativeParser

mcbeet · Oct 1, 2022 · 08727c4 · 08727c4
1 parent a92acd6
commit 08727c4
Showing 1 changed file with 2 additions and 1 deletion.
diff --git a/mecha/parse.py b/mecha/parse.py
@@ -75,6 +75,7 @@
     List,
     Literal,
     Optional,
+    Sequence,
     Tuple,
     Type,
     Union,
@@ -1924,7 +1925,7 @@ def __call__(self, stream: TokenStream) -> Any:
 class AlternativeParser:
     """Parser that tries the given alternatives in order."""
 
-    parsers: List[Parser]
+    parsers: Sequence[Parser]
 
     def __call__(self, stream: TokenStream) -> Any:
         for parser, alternative in stream.choose(*self.parsers):