Constructs an empty table with at least `n` buckets, using `hf` as the hash function, `eql` as the key equality predicate, and `a` as the allocator.
Constructs an empty table with at least `n` buckets, using `hf` as the hash function, `eql` as the key equality predicate, and `a` as the allocator.构造一个至少包含 `n` 个桶的空哈希表，使用 `hf` 作为哈希函数，`eql` 作为键相等谓词，`a` 作为分配器。
admin
Constructs an empty table with at least `n` buckets, using `hf` as the hash function, `eql` as the key equality predicate, and `a` as the allocator.构造一个至少包含 `n` 个桶的空哈希表，使用 `hf` 作为哈希函数，`eql` 作为键相等谓词，`a` 作为分配器。