work

src/parser/cursor/mod.rs

@@ -54,6 +54,10 @@ impl<'a> Cursor<'a> {
         self.next().ok_or_else(CompilerMsg::unexpected_eof)
     }
 
+    pub fn expect_peek(&self) -> Result<&Token, CompilerMsg> {
+        self.peek().ok_or_else(CompilerMsg::unexpected_eof)
+    }
+
     pub fn expect(&mut self, token: Token) -> Result<Token, CompilerMsg> {
         let next = self.expect_next()?;
         if next == token {