From 760c3c5ac4b12d277607868bcdbb0542d950c9dd Mon Sep 17 00:00:00 2001
From: Christopher Chang <51393127+chriscerie@users.noreply.github.com>
Date: Sun, 7 Apr 2024 12:20:45 -0700
Subject: [PATCH] Fix fail case

---
 full-moon/src/ast/parsers.rs | 11 ++++++++++-
 1 file changed, 10 insertions(+), 1 deletion(-)

diff --git a/full-moon/src/ast/parsers.rs b/full-moon/src/ast/parsers.rs
index caca4330..e5c2278c 100644
--- a/full-moon/src/ast/parsers.rs
+++ b/full-moon/src/ast/parsers.rs
@@ -1817,7 +1817,16 @@ fn parse_unary_expression(
 
     let primary_expression = match parse_primary_expression(state) {
         ParserResult::Value(expression) => expression,
-        ParserResult::NotFound => return ParserResult::NotFound,
+        ParserResult::NotFound => {
+            state.token_error(
+                unary_operator.token().clone(),
+                format!(
+                    "expected an expression after {}",
+                    unary_operator.token().token()
+                ),
+            );
+            return ParserResult::NotFound;
+        }
         ParserResult::LexerMoved => return ParserResult::LexerMoved,
     };