From 3fed9eadae066b88fec5a97bdb91589dae0fb2d9 Mon Sep 17 00:00:00 2001
From: Nuno Lopes <nuno.lopes@tecnico.ulisboa.pt>
Date: Tue, 16 Jun 2026 12:18:04 +0100
Subject: [PATCH] remove a few more useless constructors

---
 src/util/obj_pair_hashtable.h   | 12 ++++--------
 src/util/obj_triple_hashtable.h | 15 +++++----------
 src/util/symbol_table.h         | 17 +++--------------
 3 files changed, 12 insertions(+), 32 deletions(-)

diff --git a/src/util/obj_pair_hashtable.h b/src/util/obj_pair_hashtable.h
index e9d2e9bb5..78355b9bb 100644
--- a/src/util/obj_pair_hashtable.h
+++ b/src/util/obj_pair_hashtable.h
@@ -59,17 +59,13 @@ protected:
     class entry;
 public:
     class key_data {
-        Key1 *   m_key1;
-        Key2 *   m_key2;
+        Key1 *   m_key1 = nullptr;
+        Key2 *   m_key2 = nullptr;
         Value    m_value;
-        unsigned m_hash;
+        unsigned m_hash = 0;
         friend class entry;
     public:
-        key_data():
-            m_key1(nullptr),
-            m_key2(nullptr),
-            m_hash(0) {
-        }
+        key_data() = default;
         key_data(Key1 * k1, Key2 * k2):
             m_key1(k1), 
             m_key2(k2) {
diff --git a/src/util/obj_triple_hashtable.h b/src/util/obj_triple_hashtable.h
index 7d75084fe..00a7a2845 100644
--- a/src/util/obj_triple_hashtable.h
+++ b/src/util/obj_triple_hashtable.h
@@ -60,19 +60,14 @@ protected:
     class entry;
 public:
     class key_data {
-        Key1 *   m_key1;
-        Key2 *   m_key2;
-        Key3 *   m_key3;
+        Key1 *   m_key1 = nullptr;
+        Key2 *   m_key2 = nullptr;
+        Key3 *   m_key3 = nullptr;
         Value    m_value;
-        unsigned m_hash;
+        unsigned m_hash = 0;
         friend class entry;
     public:
-        key_data():
-            m_key1(nullptr),
-            m_key2(nullptr),
-            m_key3(nullptr),
-            m_hash(0) {
-        }
+        key_data() = default;
         key_data(Key1 * k1, Key2 * k2, Key3 * k3):
             m_key1(k1), 
             m_key2(k2),
diff --git a/src/util/symbol_table.h b/src/util/symbol_table.h
index 5d2cce726..c6dbb9f82 100644
--- a/src/util/symbol_table.h
+++ b/src/util/symbol_table.h
@@ -30,17 +30,6 @@ class symbol_table {
     struct key_data {
         symbol   m_key;
         T        m_data;
-     
-        key_data() = default;
-
-        explicit key_data(symbol k):
-            m_key(k) {
-        }
-        
-        key_data(symbol k, const T & d):
-            m_key(k), 
-            m_data(d) {
-        }
     };
 
     struct key_data_hash_proc { 
@@ -129,7 +118,7 @@ public:
     }
     
     bool contains(symbol key) const { 
-        return m_sym_table.contains(key_data(key)); 
+        return m_sym_table.contains(key_data{key});
     }
 
     unsigned get_scope_level() const { 
@@ -148,11 +137,11 @@ public:
                 m_trail_stack.push_back(dummy);
                 key_data & new_entry = m_trail_stack.back();
                 new_entry.m_key = symbol::mark(new_entry.m_key);
-                m_sym_table.insert(key_data(key, data));
+                m_sym_table.insert(key_data{key, data});
             }
         }
         else {
-            m_sym_table.insert(key_data(key, data));
+            m_sym_table.insert(key_data{key, data});
         }
     }