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Add tests for std::span adaptor

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This commit is contained in:
Daniil Kovalev
2021-05-10 22:41:10 +03:00
parent 388891edad
commit 77045f13bb
7 changed files with 189 additions and 10 deletions
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14
test/msgpack_cpp11.cpp
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@@ -262,11 +262,19 @@ struct set_allocator : std::allocator<Key> {
using std::allocator<Key>::allocator;
};
template <class Key, class T>
struct map_allocator : std::allocator<std::pair<const Key, T>> {
using std::allocator<std::pair<const Key, T>>::allocator;
// C++ named requirement Allocator implies that the first template type
// parameter matches the value type of the allocator. There might be additional
// parameters, but the first one must match the type.
// That's why this helper with exactly one template parameter representing
// a whole key-value pair is required
template <typename KeyValuePair>
struct map_allocator_impl : std::allocator<KeyValuePair> {
using std::allocator<KeyValuePair>::allocator;
};
template <class Key, class T>
using map_allocator = map_allocator_impl<std::pair<const Key, T>>;
template <class T>
struct allocator : std::allocator<T> {
using std::allocator<T>::allocator;