blob: d5e946dc7bea19268c833bd2e3bd9254fb0b0189 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
|
/* Copyright 2016-2017 Joaquin M Lopez Munoz.
* 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)
*
* See http://www.boost.org/libs/poly_collection for library home page.
*/
/* Boost.PolyCollection exceptions */
#include <algorithm>
#include <array>
#include <boost/poly_collection/base_collection.hpp>
#include <random>
#include "rolegame.hpp"
int main()
{
boost::base_collection<sprite> c,c2;
// populate c
std::mt19937 gen{92748}; // some arbitrary random seed
std::discrete_distribution<> rnd{{1,1,1}};
for(int i=0;i<8;++i){ // assign each type with 1/3 probability
switch(rnd(gen)){
case 0: c.insert(warrior{i});break;
case 1: c.insert(juggernaut{i});break;
case 2: c.insert(goblin{i});break;
}
}
auto render=[](const boost::base_collection<sprite>& c){
const char* comma="";
for(const sprite& s:c){
std::cout<<comma;
s.render(std::cout);
comma=",";
}
std::cout<<"\n";
};
render(c);
try{
//[exceptions_1
c.insert(elf{0}); // no problem
//= ...
//=
c2=c; // throws boost::poly_collection::not_copy_constructible
//]
}catch(boost::poly_collection::not_copy_constructible&){}
try{
//[exceptions_2
c.clear<elf>(); // get rid of non-copyable elfs
c2=c; // now it works
// check that the two are indeed equal
std::cout<<(c==c2)<<"\n";
// throws boost::poly_collection::not_equality_comparable
//]
}catch(boost::poly_collection::not_equality_comparable&){}
}
|
