###

# Boost.Python

## HolderGenerator Concept

Introduction
Concept Requirements

HolderGenerator Concept

## Introduction

A HolderGenerator is a unary metafunction class which returns types suitable for holding instances of its argument in a wrapped C++ class instance.

## Concept Requirements

### HolderGenerator Concept

In the table below, `G` denotes an type which models HolderGenerator, and `X` denotes a class type.

Expression | Requirements
`G::apply<X>::type` | A concrete subclass of instance_holder which can hold objects of type `X`.

Revised 13 November, 2002

© Copyright Dave Abrahams 2002.

Permission to copy, use, modify, sell and distribute this software is granted provided this copyright notice appears in all copies. This software is provided "as is" without express or implied warranty, and with no claim as to its suitability for any purpose.