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add FreeHashTable function

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Matthew 2026-06-24 04:07:08 +10:00
parent d5399fdbac
commit f3d1f551cc
1 changed files with 21 additions and 9 deletions
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22
dlib/util.d
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@ -2,6 +2,7 @@ module dlib.util;
import dlib.aliases;
import dlib.alloc;
import dlib.alloc : Free;
import std.traits : isIntegral, hasMember, isArray;
@ -559,7 +560,7 @@ CreateHashTable(K, V)(usize size)
return table;
}
pragma(inline) void
void
Clear(K, V)(HashTable!(K, V)* ht)
{
table.count = 0;
@ -569,7 +570,7 @@ Clear(K, V)(HashTable!(K, V)* ht)
}
}
pragma(inline) KVPair!(K, V)*
KVPair!(K, V)*
Push(K, V)(HashTable!(K, V)* ht, K key, V value)
{
alias P = KVPair!(K, V);
@ -596,7 +597,7 @@ Push(K, V)(HashTable!(K, V)* ht, K key, V value)
return node;
}
pragma(inline) KVPair!(K, V)*
KVPair!(K, V)*
Search(K, V)(HashTable!(K, V)* ht, K key)
{
KVPair!(K, V)* result = null;
@ -614,7 +615,7 @@ Search(K, V)(HashTable!(K, V)* ht, K key)
return result;
}
pragma(inline) LinkedList!(KVPair!(K, V))*
LinkedList!(KVPair!(K, V))*
GetList(K, V)(HashTable!(K, V)* ht, K key)
{
u64 hash = Hash(&key);
@ -644,7 +645,7 @@ GetAllNodes(K, V)(Arena* arena, HashTable!(K, V)* ht)
return pairs;
}
pragma(inline) Result!(V)
Result!(V)
Delete(K, V)(HashTable!(K, V)* ht, K key)
{
Result!(V) result = { ok: false };
@ -673,6 +674,13 @@ Delete(K, V)(HashTable!(K, V)* ht, K key)
return result;
}
void
FreeHashTable(K, V)(ref HashTable!(K, V) hash_table)
{
Free(&hash_table.arena);
memset(&hash_table, 0, HashTable!(K, V).sizeof);
}
const u64 HASH_SEED = 5995;
pragma(inline) u64
@ -1340,6 +1348,10 @@ version(DLIB_TEST)
auto table = CreateHashTable!(u64, u64)(10);
table[100] = 100;
FreeHashTable(table);
assert(table.nil == null);
}
{ // Hash