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clean-up example

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This commit is contained in:
terik23 2019-07-20 01:56:50 +05:00
parent 07e7d8dff6
commit b95707b409
1 changed files with 8 additions and 6 deletions
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14
example/example.cpp
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@ -27,6 +27,10 @@
#include <sstream> #include <sstream>
#include <stdexcept> #include <stdexcept>
std::string operator+(std::string_view lhs, std::string_view rhs) {
return std::string{lhs.data(), lhs.length()}.append(rhs.data(), rhs.length());
}
constexpr long double operator"" _deg(long double deg) { constexpr long double operator"" _deg(long double deg) {
return deg * 3.141592 / 180.0; return deg * 3.141592 / 180.0;
} }
@ -49,9 +53,7 @@ void SomeMethod3() {
template <typename T, typename U> template <typename T, typename U>
std::string SomeMethod4(U value) { std::string SomeMethod4(U value) {
std::stringstream s; return NAMEOF(SomeMethod4<T, U>) + "<" + NAMEOF_TYPE(T) + ", " + NAMEOF_TYPE(U) + ">(" + NAMEOF_TYPE(U) + " " + NAMEOF(value) + ")";
s << NAMEOF(SomeMethod4<T, U>) << "<" << NAMEOF_TYPE(T) << ", " << NAMEOF_TYPE(U) << ">(" << NAMEOF_TYPE(U) << " " << NAMEOF(value) << ")";
return s.str();
} }
template <typename T> template <typename T>
@ -135,15 +137,15 @@ int main() {
std::cout << SomeMethod4<int>(structvar) << std::endl; // 'SomeMethod4<int, SomeStruct>(SomeStruct value)' std::cout << SomeMethod4<int>(structvar) << std::endl; // 'SomeMethod4<int, SomeStruct>(SomeStruct value)'
const auto div = [](int x, int y) -> int { auto div = [](int x, int y) -> int {
if (y == 0) { if (y == 0) {
throw std::invalid_argument(std::string(NAMEOF(y)).append(" should not be zero!")); throw std::invalid_argument(NAMEOF(y) + " should not be zero!");
} }
return x / y; return x / y;
}; };
try { try {
const int z = div(10, 0); auto z = div(10, 0);
std::cout << z << std::endl; std::cout << z << std::endl;
} catch (const std::exception& e) { } catch (const std::exception& e) {
std::cout << e.what() << std::endl; // 'y should not be zero!' std::cout << e.what() << std::endl; // 'y should not be zero!'