File: usage_fail.cpp

package info (click to toggle)
boost1.74 1.74.0%2Bds1-21
  • links: PTS, VCS
  • area: main
  • in suites: bookworm
  • size: 463,588 kB
  • sloc: cpp: 3,338,117; xml: 131,293; python: 33,088; ansic: 14,292; asm: 4,038; sh: 3,353; makefile: 1,193; perl: 1,036; yacc: 478; php: 212; ruby: 102; lisp: 24; sql: 13; csh: 6
file content (24 lines) | stat: -rw-r--r-- 595 bytes parent folder | download | duplicates (13)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
// Copyright David Abrahams 2006. 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)

#include <boost/concept/usage.hpp>
#include <boost/core/ignore_unused.hpp>

template <class T>
struct StringInitializable
{
    typedef int associated;
    BOOST_CONCEPT_USAGE(StringInitializable)
    {
        T x = "foo";
        boost::ignore_unused(x);
    }
};

// Test that accessing an associated type will actually exercise usage
// requirements
typedef StringInitializable<int>::associated tee;