Method insert

code/chapter09/bloom_filter.rs:35–41

按照 hash_fn_count 计算值并置比特桶相应位为 true

(&mut self, elem: &T)

    // 按照 hash_fn_count 计算值并置比特桶相应位为 true
    fn insert(&mut self, elem: &T) {
        let hashes = self.make_hash(elem);
        for fn_i in 0..self.hash_fn_count {
            let index = self.get_index(hashes, fn_i as u64);
            self.bits[index] = true;
        }
    }

    // 数据查询
    fn contains(&self, elem: &T) -> bool {