75 lines
1.6 KiB
C++
75 lines
1.6 KiB
C++
#include <iostream>
|
|
#include <memory>
|
|
#include <vector>
|
|
|
|
#include "base/hash.h"
|
|
|
|
namespace operations_research {
|
|
#if defined(__linux__) || defined(_MSC_VER)
|
|
struct Foo {
|
|
Foo() { std::cout << "Foo::Foo\n"; }
|
|
~Foo() { std::cout << "Foo::~Foo\n"; }
|
|
void bar() { std::cout << "Foo::bar\n"; }
|
|
};
|
|
|
|
void f(const Foo &foo) {
|
|
std::cout << "f(const Foo&)\n";
|
|
}
|
|
|
|
void test_unique() {
|
|
std::cout << "test_unique" << std::endl;
|
|
std::unique_ptr<Foo> p1(new Foo); // p1 owns Foo
|
|
if (p1) p1->bar();
|
|
|
|
{
|
|
std::unique_ptr<Foo> p2(std::move(p1)); // now p2 owns Foo
|
|
f(*p2);
|
|
|
|
p1 = std::move(p2); // ownership returns to p1
|
|
std::cout << "destroying p2...\n";
|
|
}
|
|
|
|
if (p1) p1->bar();
|
|
// Foo instance is destroyed when p1 goes out of scope
|
|
}
|
|
#else
|
|
void test_unique() {
|
|
std::cout << "test_unique not launched" << std::endl;
|
|
}
|
|
#endif
|
|
|
|
void test_auto() {
|
|
std::cout << "test_auto" << std::endl;
|
|
std::vector<int> numbers;
|
|
numbers.push_back(1);
|
|
numbers.push_back(2);
|
|
numbers.push_back(3);
|
|
numbers.push_back(4);
|
|
numbers.push_back(5);
|
|
numbers.push_back(6);
|
|
numbers.push_back(7);
|
|
for (int vec : numbers) {
|
|
std::cout << vec << std::endl;
|
|
}
|
|
|
|
hash_map<std::string, int> my_map;
|
|
my_map["toto"] = 2;
|
|
for (auto mm : my_map) {
|
|
std::cout << mm.first << " -> " << mm.second << std::endl;
|
|
}
|
|
}
|
|
|
|
void test_chevron() {
|
|
std::cout << "test_chevron" << std::endl;
|
|
std::vector<std::pair<int,int>> toto;
|
|
toto.push_back(std::make_pair(2, 4));
|
|
}
|
|
} // namespace operations_research
|
|
|
|
int main() {
|
|
operations_research::test_unique();
|
|
operations_research::test_auto();
|
|
operations_research::test_chevron();
|
|
return 0;
|
|
}
|