0556412f8d
@kha The runtime folder includes what is needed to link a standalone Lean program. It is still contains some unnecessary files. We will be able to remove them after we release Lean4.
49 lines
1.2 KiB
C++
49 lines
1.2 KiB
C++
/*
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Copyright (c) 2013 Microsoft Corporation. All rights reserved.
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Released under Apache 2.0 license as described in the file LICENSE.
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Author: Leonardo de Moura
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*/
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#include <iostream>
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#include <string>
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#include "runtime/optional.h"
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#include "util/test.h"
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using namespace lean;
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struct point {
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std::string m_msg;
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int m_x;
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int m_y;
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point(char const * msg, int x, int y):m_msg(msg), m_x(x), m_y(y) {}
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point(point const & p):m_msg(p.m_msg), m_x(p.m_x), m_y(p.m_y) {}
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point(point && p):m_msg(std::move(p.m_msg)), m_x(p.m_x), m_y(p.m_y) {}
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~point() { std::cout << "destructed... " << m_msg << " " << m_x << " " << m_y << "\n"; }
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};
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static void tst1() {
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optional<int> i;
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lean_assert(!i);
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i = 10;
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lean_assert(i);
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lean_assert(*i == 10);
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}
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static void tst2() {
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optional<point> p1;
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lean_assert(!p1);
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optional<point> p2("p2", 10, 20);
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lean_assert(p2->m_x == 10);
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p2 = point("p3", 20, 30);
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lean_assert(p2->m_y == 30);
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lean_assert((*p2).m_x == 20);
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p1 = p2;
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lean_assert(p1);
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lean_assert(p1.value().m_x == 20);
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p1.emplace("p4", 2, 3);
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}
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int main() {
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tst1();
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tst2();
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return has_violations() ? 1 : 0;
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}
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