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58 lines
1.4 KiB
C++

#include <array>
#include <iostream>
#include <vector>
void classic() {
int array[2];
array[0] = 1;
array[1] = 2;
// array[3] = 3; <- clang++ -Warray-bounds warns about this
// array[4] = 4; <- clang++ -Warray-bounds warns about this
int n = 10;
std::cout << array[3] << std::endl; // no warning!
std::cout << array[4] << std::endl; // no warning!
std::cout << array[n-1] << std::endl; // no warning!
}
// FIXME
void std_array() {
std::array<int, 2> array;
array[0] = 1;
array[1] = 2;
array[3] = 3; // XXX <- clang++ -Warray-bounds warns about this
// array[4] = 4; <- clang++ -Warray-bounds warns about this
int n = 10;
std::cout << array[3] << std::endl; // no warning!
std::cout << array[4] << std::endl; // no warning!
std::cout << array[n-1] << std::endl; // no warning!
}
// FIXME
void std_vector() {
std::vector<int> vector;
vector[0] = 1;
vector[1] = 2;
// vector[3] = 3; // SEGFAULT
// vector[4] = 4; <- clang++ -Warray-bounds warns about this
int n = 10;
// std::cout << vector[3] << std::endl; // no warning!
// std::cout << vector[4] << std::endl; // no warning!
// std::cout << vector[n-1] << std::endl; // no warning!
}
int main() {
std::cout << "classic()" << std::endl;
classic();
std::cout << "std_array()" << std::endl;
std_array();
std::cout << "std_vector()" << std::endl;
std_vector();
return 0;
}