From 5f21ebf42e670470b315a992b8a60f7c2e2bbbeb Mon Sep 17 00:00:00 2001
From: Steven Le Rouzic <steven.lerouzic@gmail.com>
Date: Tue, 14 Jan 2025 22:50:34 +0100
Subject: Add remove element to hash_set

---
 asl/hash_set.hpp | 17 ++++++++++++++++-
 1 file changed, 16 insertions(+), 1 deletion(-)

(limited to 'asl/hash_set.hpp')

diff --git a/asl/hash_set.hpp b/asl/hash_set.hpp
index 22e47e0..fa95a96 100644
--- a/asl/hash_set.hpp
+++ b/asl/hash_set.hpp
@@ -114,6 +114,8 @@ class hash_set
 
     isize_t find_slot(const T& value) const
     {
+        if (m_size <= 0) { return -1; };
+
         ASL_ASSERT(is_pow2(m_capacity));
 
         const isize_t capacity_mask = m_capacity - 1;
@@ -246,9 +248,22 @@ public:
 
     bool contains(const T& value) const
     {
-        if (m_size == 0) { return false; }
         return find_slot(value) >= 0;
     }
+
+    // @Todo Remove with something comparable, but not equal? How to hash?
+    // @Todo Same with contains
+    bool remove(const T& value)
+    {
+        isize_t slot = find_slot(value);
+        if (slot < 0) { return false; }
+
+        m_values[slot].destroy_unsafe(); // NOLINT(*-pointer-arithmetic)
+        m_tags[slot] = kTombstone; // NOLINT(*-pointer-arithmetic)
+        m_size -= 1;
+
+        return true;
+    }
 };
 
 } // namespace asl
-- 
cgit