update creator code

Author: 7bitcoder

Include/SevenBit/DI/Details/Core/Impl/ServiceInstancesCreator.hpp

@@ -37,10 +37,9 @@ namespace sb::di::details
     INLINE ServiceInstanceList ServiceInstancesCreator::createAll(const ServiceDescriptorList &descriptors,
                                                                   const bool inPlaceRequest, const std::size_t skipLast)
     {
-        ServiceInstanceList instances;
         const auto size = descriptors.size();
+        ServiceInstanceList instances{size};
         const auto take = skipLast <= size ? size - skipLast : 0;
-        instances.reserve(size);
         descriptors.forEach([&](const ServiceDescriptor &descriptor, const std::size_t index) {
             if (index < take)
             {

Include/SevenBit/DI/Details/Core/ServiceAliasesCreator.hpp

@@ -16,9 +16,8 @@ namespace sb::di::details
         ServiceInstanceList tryCreateAll(const ServiceDescriptorList &descriptors, TResolver originalsResolver,
                                          const std::size_t skipLast = 0) const
         {
-            ServiceInstanceList instances;
             const auto size = descriptors.size();
-            instances.reserve(size);
+            ServiceInstanceList instances{size};
             descriptors.forEach([&](const ServiceDescriptor &aliasDescriptor, const std::size_t index) {
                 const auto lastDescriptorSkip = index + 1 == size ? skipLast : 0;
                 tryCreateAll(instances, aliasDescriptor, originalsResolver(aliasDescriptor), lastDescriptorSkip);
@@ -31,7 +30,7 @@ namespace sb::di::details
         template <class TResolver>
         ServiceInstanceList tryMapAll(const ServiceDescriptorList &descriptors, TResolver originalsResolver) const
         {
-            ServiceInstanceList instances;
+            ServiceInstanceList instances{descriptors.size()};
             descriptors.forEach([&](const ServiceDescriptor &aliasDescriptor) {
                 tryMapAll(instances, aliasDescriptor, originalsResolver(aliasDescriptor));
             });

Include/SevenBit/DI/OneOrList.hpp

@@ -21,7 +21,7 @@ namespace sb::di
 
       public:
         OneOrList() = default;
-        explicit OneOrList(const std::size_t size) : _variant(std::vector<T>{}) { reserve(size); }
+        explicit OneOrList(const std::size_t size) { reserve(size); }
         explicit OneOrList(T &&mainElement) : _variant(std::move(mainElement)) {}
 
         OneOrList(const OneOrList &) = delete;