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Add SharedVector<T>::empty() and a constructor that takes an initializer list

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This commit is contained in:
Simon Hausmann 2021-03-17 15:19:59 +01:00
parent ffb1d7bd83
commit dc30106037
2 changed files with 29 additions and 0 deletions
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14
api/sixtyfps-cpp/include/sixtyfps_sharedvector.h
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@ -11,6 +11,7 @@ LICENSE END */
#include "sixtyfps_sharedvector_internal.h"
#include <atomic>
#include <algorithm>
#include <initializer_list>
namespace sixtyfps {
@ -22,6 +23,17 @@ struct SharedVector
cbindgen_private::sixtyfps_shared_vector_empty())))
{
}
SharedVector(std::initializer_list<T> args) : SharedVector()
{
auto new_array = SharedVector::with_capacity(args.size());
auto new_data = reinterpret_cast<T *>(new_array.inner + 1);
auto input_it = args.begin();
for (std::size_t i = 0; i < args.size(); ++i, ++input_it) {
new (new_data + i) T(*input_it);
new_array.inner->size++;
}
*this = std::move(new_array);
}
SharedVector(const SharedVector &other) : inner(other.inner)
{
@ -69,6 +81,8 @@ struct SharedVector
std::size_t size() const { return inner->size; }
bool empty() const { return inner->size == 0; }
T &operator[](std::size_t index) { return begin()[index]; }
const T &operator[](std::size_t index) const { return begin()[index]; }