//
// 8.1.cpp
// c++1x tutorial
//
// created by changkun at changkun.de
//
// noexcept
#include
void may_throw() {
throw true;
}
auto non_block_throw = []{
may_throw();
};
void no_throw() noexcept {
return;
}
auto block_throw = []() noexcept {
no_throw();
};
int main()
{
std::cout << std::boolalpha
<< "may_throw() noexcept? " << noexcept(may_throw()) << std::endl
<< "no_throw() noexcept? " << noexcept(no_throw()) << std::endl
<< "lmay_throw() noexcept? " << noexcept(non_block_throw()) << std::endl
<< "lno_throw() noexcept? " << noexcept(block_throw()) << std::endl;
try {
may_throw();
} catch (...) {
std::cout << "捕获异常, 来自 my_throw()" << std::endl;
}
try {
non_block_throw();
} catch (...) {
std::cout << "捕获异常, 来自 non_block_throw()" << std::endl;
}
try {
block_throw();
} catch (...) {
std::cout << "捕获异常, 来自 block_throw()" << std::endl;
}
}