From 168c9a009eb68697c1b8328cfbf3a1a6ccae48f6 Mon Sep 17 00:00:00 2001
From: crupest <crupest@outlook.com>
Date: Tue, 29 Dec 2020 22:52:02 +0800
Subject: import(life): ...

---
 works/life/cpp-practicum/Base.hpp | 63 +++++++++++++++++++++++++++++++++++++++
 1 file changed, 63 insertions(+)
 create mode 100644 works/life/cpp-practicum/Base.hpp

(limited to 'works/life/cpp-practicum/Base.hpp')

diff --git a/works/life/cpp-practicum/Base.hpp b/works/life/cpp-practicum/Base.hpp
new file mode 100644
index 0000000..f26b81f
--- /dev/null
+++ b/works/life/cpp-practicum/Base.hpp
@@ -0,0 +1,63 @@
+#pragma once
+
+#include <cstddef>
+#include <exception>
+// #include <gsl/gsl>
+#include <stdexcept>
+
+// Now we have no gsl but we need gsl::index
+namespace gsl {
+using index = std::ptrdiff_t;
+}
+
+#define CRU_UNUSED(entity) static_cast<void>(entity);
+
+#define CRU__CONCAT(a, b) a##b
+#define CRU_MAKE_UNICODE_LITERAL(str) CRU__CONCAT(u, #str)
+
+#define CRU_DEFAULT_COPY(classname)                                            \
+  classname(const classname &) = default;                                      \
+  classname &operator=(const classname &) = default;
+
+#define CRU_DEFAULT_MOVE(classname)                                            \
+  classname(classname &&) = default;                                           \
+  classname &operator=(classname &&) = default;
+
+#define CRU_DELETE_COPY(classname)                                             \
+  classname(const classname &) = delete;                                       \
+  classname &operator=(const classname &) = delete;
+
+#define CRU_DELETE_MOVE(classname)                                             \
+  classname(classname &&) = delete;                                            \
+  classname &operator=(classname &&) = delete;
+
+namespace cru {
+class Object {
+public:
+  Object() = default;
+  CRU_DEFAULT_COPY(Object)
+  CRU_DEFAULT_MOVE(Object)
+  virtual ~Object() = default;
+};
+
+struct Interface {
+  Interface() = default;
+  CRU_DELETE_COPY(Interface)
+  CRU_DELETE_MOVE(Interface)
+  virtual ~Interface() = default;
+};
+
+[[noreturn]] inline void UnreachableCode() { std::terminate(); }
+
+using Index = gsl::index;
+
+// https://www.boost.org/doc/libs/1_54_0/doc/html/hash/reference.html#boost.hash_combine
+template <class T> inline void hash_combine(std::size_t &s, const T &v) {
+  std::hash<T> h;
+  s ^= h(v) + 0x9e3779b9 + (s << 6) + (s >> 2);
+}
+
+#define CRU_DEFINE_CLASS_LOG_TAG(tag)                                          \
+private:                                                                       \
+  constexpr static std::u16string_view log_tag = tag;
+} // namespace cru
-- 
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