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3 years ago
/*
* Copyright (c) Facebook, Inc. and its affiliates.
*
* This source code is licensed under the MIT license found in the
* LICENSE file in the root directory of this source tree.
*/
#include <vector>
namespace CppIsTricky {
void vector_size_Bad() {
const auto vec = std::vector<int>{1, 2, 3};
const int numExpectedElements = 1;
const auto delta = numExpectedElements - vec.size();
}
void minus1_Bad_FN() {
const unsigned long i2 = 18446744073709551614u;
const unsigned long i1 = 446744073709551614u;
const int d1 = i2 - i1;
}
void minus2_Bad_FN() {
const unsigned long i2 = 18446744073709551614u;
const unsigned long i1 = 446744073709551614u;
const long d2 = i2 - i1;
}
void minus3_Good() {
const unsigned long i2 = 18446744073709551614u;
const unsigned long i1 = 446744073709551614u;
const auto d3 = i2 - i1;
}
} // namespace CppIsTricky