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AK: Add a u64 Trait type

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This allows u64s to be used in HashMaps.
This commit is contained in:
Shannon Booth 2020-01-03 19:56:33 +13:00 • committed by Andreas Kling
parent 9e22b83343
commit d5fea1b235
Notes: sideshowbarker 2024-07-19 10:21:27 +09:00
2 changed files with 14 additions and 0 deletions
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7
AK/HashFunctions.h
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@ -17,3 +17,10 @@ inline unsigned pair_int_hash(u32 key1, u32 key2)
{
return int_hash((int_hash(key1) * 209) ^ (int_hash(key2 * 413)));
}
inline unsigned u64_hash(u64 key)
{
u32 first = key & 0xFFFFFFFF;
u32 last = key >> 32;
return pair_int_hash(first, last);
}