Method contains

code/chapter09/bloom_filter.rs:44–50

数据查询

(&self, elem: &T)

    // 数据查询
    fn contains(&self, elem: &T) -> bool {
        let hashes = self.make_hash(elem);
        (0..self.hash_fn_count).all(|fn_i| {
            let index = self.get_index(hashes, fn_i as u64);
            self.bits[index]
        })
    }

    // 计算哈希
    fn make_hash(&self, elem: &T) -> (u64, u64) {