# `direct_mask_range_hashing` Interface

A mask range-hashing class (uses a bit-mask).

1. `hash_policy.hpp`
2. Template parameters.
3. Public Types and Constants:
   1. General definitions.
4. Public Methods:
   1. Constructors, destructor, and related.
5. Protected Methods:
   1. Notification methods.
   2. Operators.

## Template parameters.

Parameter | Description | Default Value

    Size_Type

Size type.

size_t

## General definitions.

Type | Definition | Description

    size_type

    Size_Type

Size type.

## Constructors, destructor, and related.

Method | Description

    void
      swap
      (direct_mask_range_hashing &r_other)

Swaps content.

## Notification methods.

Method | Description

    void
      notify_resized
      (size_type size)

Notifies the policy object that the container's size has changed to `size`.

## Operators.

Method | Description

    inline size_type
      operator()
      (size_type hash) const

Transforms the hash value `hash` into a ranged-hash value (using a bit-mask).