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- [/
- / Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
- /
- / Distributed under the Boost Software License, Version 1.0. (See accompanying
- / file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
- /]
- [section:IoObjectService I/O object service requirements]
- An I/O object service must meet the requirements for a [link
- boost_asio.reference.Service service], as well as the requirements listed
- below.
- In the table below, `X` denotes an I/O object service class, `a` and `ao` denote
- values of type `X`, `b` and `c` denote values of type `X::implementation_type`,
- and `u` denotes an identifier.
- [table IoObjectService requirements
- [[expression] [return type] [assertion/note\npre/post-condition]]
- [
- [`X::implementation_type`]
- []
- []
- ]
- [
- [`X::implementation_type u;`]
- []
- [note: `X::implementation_type` has a public default constructor and
- destructor.]
- ]
- [
- [``
- a.construct(b);
- ``]
- []
- []
- ]
- [
- [``
- a.destroy(b);
- ``]
- []
- [note: `destroy()` will only be called on a value that has previously been
- initialised with `construct()` or `move_construct()`.]
- ]
- [
- [``
- a.move_construct(b, c);
- ``]
- []
- [note: only required for I/O objects that support movability.]
- ]
- [
- [``
- a.move_assign(b, ao, c);
- ``]
- []
- [note: only required for I/O objects that support movability.]
- ]
- ]
- [endsect]
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