hash_exponential_size_policy Interface (original) (raw)

A size policy whose sequence of sizes form an exponential sequence (typically powers of 2)

Defined in: hash_policy.hpp

Template Parameters

Parameter Description Default Value
typename Size_Type Size type. size_t

Public Types and Constants

General Definitions

Type Definition Description
size_type Size_Type Size type.

Public Methods

Method Description
hash_exponential_size_policy (size_type start_size = 8, size_type grow_factor = 2) Default constructor, or constructor taking astart_size, or constructor taking a start size and grow_factor. The policy will use the sequence of sizes start_size, start_size * grow_factor, start_size * grow_factor^2, ...
void swap (hash_exponential_size_policy &other) Swaps content.

Protected Methods

Size methods

Method Description
size_type get_nearest_larger_size (size_type size) const Given a size size, returns a size that is larger.
size_type get_nearest_smaller_size (size_type size) const Given a size size, returns a size that is smaller.