code. compile. run. debug. share.
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///----------------------------------------------------------------------------|
/// -std=c++17
/// Исходник в utf-8
///----------------------------------------------------------------------------:
#include <iostream>
#include <string>
///----------------------------------------------------------------------------|
/// Calculator.
///----------------------------------------------------------------------------:
namespace Calculator
{
using T = double;
struct Instance
{ Instance() = default;
Instance(std::string_view s){ parse(s); }
///---------------------|
/// Парсинг строки. |
///---------------------:
void parse(std::string_view s)
{
/// TODO ...
}
///---------------------|
/// Само вычисление. |
///---------------------:
T calc()
{
/// TODO ...
return 0;
}
///---------------------|
/// Тест. |
///---------------------:
static bool test(std::string_view s, T r)
{ Instance instance;
instance.parse(s);
return instance.calc ( ) == r;
}
private:
};
}
#define TEST(a) Calculator::Instance::test(#a, a)
///-----------------------------|
/// Тесты. |
///-----------------------------:
bool tests()
{
bool isgood = true;
isgood &= TEST(3 - 3);
isgood &= TEST(4 * 5);
return isgood;
}
///----------------------------------------------------------------------------|
/// main.
///----------------------------------------------------------------------------:
int main()
{
setlocale(0, "");
std::wcout << L"Привет, я ваш Calculator!\n\n";
std::wcout << L"Тесты: " << (tests() ? L"ОТЛИЧНO"
: L"ПЛОХО\a") << '\n';
}
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