fix: EqualFunc not deterministic #2

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mvhutz merged 1 commits from fix/non-deterministic-equalfunc-example into main 2026-03-17 01:54:25 +00:00
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@@ -13,11 +13,22 @@ import (
func ExampleEqualFunc_badEqualFunc() { func ExampleEqualFunc_badEqualFunc() {
type User struct{ ID, Name string } type User struct{ ID, Name string }
makeHash := func(seed uint64) cuckoo.Hash[User] {
return func(u User) uint64 {
digest := seed
for _, c := range u.ID + u.Name {
digest ^= uint64(c)
}
return digest
}
}
// Two users with the same ID are equal. // Two users with the same ID are equal.
isEqual := func(a, b User) bool { return a.ID == b.ID } isEqual := func(a, b User) bool { return a.ID == b.ID }
hashA, hashB := cuckoo.NewDefaultHash[User](), cuckoo.NewDefaultHash[User]() userbase := cuckoo.NewCustomTable[User, bool](makeHash(1), makeHash(2), isEqual)
userbase := cuckoo.NewCustomTable[User, bool](hashA, hashB, isEqual)
(userbase.Put(User{"1", "Robert Doe"}, true)) (userbase.Put(User{"1", "Robert Doe"}, true))