This commit is contained in:
Erik Frojdh
2019-08-13 09:16:29 +02:00
parent c2f57f5ab0
commit 6f6ee19906
3 changed files with 25 additions and 3 deletions

View File

@ -31,7 +31,6 @@ template <class T, class Allocator = std::allocator<T>> class Result {
Result() = default;
Result(std::initializer_list<T> list) : vec(list){};
/** Custom constructor from integer type to Result<ns> or Result<bool> */
template <typename V, typename = typename std::enable_if<
std::is_integral<V>::value &&
@ -98,9 +97,14 @@ template <class T, class Allocator = std::allocator<T>> class Result {
vec.push_back(std::forward<V>(value));
}
/** Disable emplace_back if the underlying vector does not support it
* vector<bool> gcc 4.8
*/
template <typename... Args>
auto emplace_back(Args &&... args) -> decltype(vec.emplace_back(args...)){
vec.emplace_back(std::forward<Args>(args)...);
auto emplace_back(Args &&... args) ->
typename std::enable_if<has_emplace_back<std::vector<T>>::value,
decltype(vec.emplace_back(args...))>::type {
return vec.emplace_back(std::forward<Args>(args)...);
}
auto operator[](size_type pos) -> decltype(vec[pos]) { return vec[pos]; }