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chore(cpp): reorder regions of helpers

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Signed-off-by: Matej Focko <mfocko@redhat.com>
This commit is contained in:
Matej Focko 2023-08-12 23:02:33 +02:00
parent 3911ca609c
commit e39ed7a5c0
Signed by: mfocko
GPG key ID: 7C47D46246790496
1 changed files with 52 additions and 52 deletions
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104
.common/cpp/skeleton.cpp
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@ -22,6 +22,58 @@
#pragma region helpers
#pragma region debug
void dbg_out() { std::cerr << std::endl; }
template <typename Head, typename... Tail>
void dbg_out(Head H, Tail... T) {
std::cerr << ' ' << H;
dbg_out(T...);
}
#ifdef LOCAL
#define dbg(...) \
std::cerr << '[' << __FILE__ << ':' << __LINE__ << "] (" << #__VA_ARGS__ \
<< "):", \
dbg_out(__VA_ARGS__)
#else
#define dbg(...)
#endif
#pragma endregion debug
#pragma region functional
// http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2016/p0200r0.html
template <class Fun>
class y_combinator_result {
Fun fun_;
public:
template <class T>
explicit y_combinator_result(T &&fun) : fun_(std::forward<T>(fun)) {}
template <class... Args>
decltype(auto) operator()(Args &&...args) {
return fun_(std::ref(*this), std::forward<Args>(args)...);
}
};
template <class Fun>
decltype(auto) y_combinator(Fun &&fun) {
return y_combinator_result<std::decay_t<Fun>>(std::forward<Fun>(fun));
}
#pragma endregion /* functional */
#pragma region input
template <typename T>
std::vector<T> load_vector(std::size_t size) {
std::vector<T> result{};
for (auto i = 0u; i < size; ++i) {
T x;
std::cin >> x;
result.push_back(std::move(x));
}
return result;
}
#pragma endregion /* input */
#pragma region math
static constexpr std::int32_t MODULO = 1000000007;
@ -61,58 +113,6 @@ inline void no() { std::cout << "NO\n"; }
inline void yesno(bool ans) { std::cout << (ans ? "YES" : "NO") << "\n"; }
#pragma endregion /* output */
#pragma region debug
void dbg_out() { std::cerr << std::endl; }
template <typename Head, typename... Tail>
void dbg_out(Head H, Tail... T) {
std::cerr << ' ' << H;
dbg_out(T...);
}
#ifdef LOCAL
#define dbg(...) \
std::cerr << '[' << __FILE__ << ':' << __LINE__ << "] (" << #__VA_ARGS__ \
<< "):", \
dbg_out(__VA_ARGS__)
#else
#define dbg(...)
#endif
#pragma endregion debug
#pragma region input
template <typename T>
std::vector<T> load_vector(std::size_t size) {
std::vector<T> result{};
for (auto i = 0u; i < size; ++i) {
T x;
std::cin >> x;
result.push_back(std::move(x));
}
return result;
}
#pragma endregion /* input */
#pragma region functional
// http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2016/p0200r0.html
template <class Fun>
class y_combinator_result {
Fun fun_;
public:
template <class T>
explicit y_combinator_result(T &&fun) : fun_(std::forward<T>(fun)) {}
template <class... Args>
decltype(auto) operator()(Args &&...args) {
return fun_(std::ref(*this), std::forward<Args>(args)...);
}
};
template <class Fun>
decltype(auto) y_combinator(Fun &&fun) {
return y_combinator_result<std::decay_t<Fun>>(std::forward<Fun>(fun));
}
#pragma endregion /* functional */
#define LOOP(var, n) for (auto var = 0; var < n; ++var)
#pragma endregion /* helpers */