Fix #1267

1 files changed, 9 insertions, 0 deletions

diff --git a/src/ptr_set.cpp b/src/ptr_set.cpp
index ca7df3b53..b45997916 100644
--- a/src/ptr_set.cpp
+++ b/src/ptr_set.cpp
@@ -138,6 +138,15 @@ gb_inline bool ptr_set_exists(PtrSet<T> *s, T ptr) {
 	return index != MAP_SENTINEL;
 }
 
+template <typename T>
+gb_inline isize ptr_entry_index(PtrSet<T> *s, T ptr) {
+	isize index = ptr_set__find(s, ptr).entry_index;
+	if (index != MAP_SENTINEL) {
+		return index;
+	}
+	return -1;
+}
+
 // Returns true if it already exists
 template <typename T>
 T ptr_set_add(PtrSet<T> *s, T ptr) {