From 7f4ce2e1790e43541def82ee3acf3a0a5307b735 Mon Sep 17 00:00:00 2001
From: Morten Hauke Solvang <morten.hauke.solvang@gmail.com>
Date: Sat, 19 Oct 2024 10:25:13 +0200
Subject: [PATCH] Suggestion when assigning enum to bit_set

---
 src/check_expr.cpp | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/src/check_expr.cpp b/src/check_expr.cpp
index d3141ed845b..5ebc737a5bb 100644
--- a/src/check_expr.cpp
+++ b/src/check_expr.cpp
@@ -8475,6 +8475,15 @@ gb_internal ExprKind check_implicit_selector_expr(CheckerContext *c, Operand *o,
 			error(node, "Undeclared name '%.*s' for type '%s'", LIT(name), typ);
 
 			check_did_you_mean_type(name, bt->Enum.fields);
+		} else if (is_type_bit_set(th) && is_type_enum(th->BitSet.elem)) {
+			ERROR_BLOCK();
+
+			gbString typ = type_to_string(th);
+			gbString str = expr_to_string(node);
+			error(node, "Cannot convert enum value to '%s'", typ);
+			error_line("\tSuggestion: Did you mean '{ %s }'?\n", str);
+			gb_string_free(typ);
+			gb_string_free(str);
 		} else {
 			gbString typ = type_to_string(th);
 			gbString str = expr_to_string(node);