Constructors

Synopses

Declared in <bdlc_hashtable.h>

Create a double‐hash table using the specified capacityHint. Optionally specify a basicAllocator used to supply memory. If basicAllocator is 0, the currently installed default allocator is used. The behavior is undefined unless 0 != capacityHint. Note that capacityHint can be either a positive integer or a negative integer. If capacityHint is positive, then the capacity of the hash table will be the first available prime number larger than, or equal to, capacityHint. Otherwise, the capacity of the hash table will be the first available prime number smaller than, or equal to, capacityHint. Also note that HASH1 will be used as the first hash function, and HASH2 will be used as the second hash function.

explicit
HashTable(
    bsls::Types::Int64 capacityHint,
    bslma::Allocator* basicAllocator = 0);

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Create a double‐hash table with the specified capacityHint. Use the specified hashFunctor1 as the first hash function; use the specified hashFunctor2 as the second hash function. Optionally specify a basicAllocator used to supply memory. If basicAllocator is 0, the currently installed default allocator is used. The behavior is undefined unless 0 != capacityHint, and hashFunction1 and hashFunction2 are valid. Note that capacityHint can be either a positive integer or a negative integer. If capacityHint is positive, then the capacity of the hash table will be the first available prime number larger than, or equal to, capacityHint. Otherwise, the capacity of the hash table will be the first available prime number smaller than, or equal to, capacityHint.

HashTable(
    bsls::Types::Int64 capacityHint,
    HASH1 const& hashFunctor1,
    HASH2 const& hashFunctor2,
    bslma::Allocator* basicAllocator = 0);

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