sample_size_policy Interface

# `sample_size_policy` Interface

A sample size policy.

This class serves to show the interface a size policy needs to support.

Defined in: `sample_size_policy.hpp`

## Public Types and Constants

### General definitions.

Type | Definition | Description
    size_type
    size_t, e.g.
| Size type.

## Public Methods

### Constructors, destructor, and related.

Method | Description
      sample_size_policy
      ()
| Default constructor. Must be default constructable.
      sample_range_hashing
      (const sample_size_policy &other)
| Copy constructor. Must be copy constructable.
    inline void
      swap
      (sample_size_policy &other)
| Swaps content. Must be swappable (if there is such a word).

## Protected Methods

### Size methods

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