create()

template<template< typename U, typename V, typename... Args > class ObjectType = std::map, template< typename U, typename... Args > class ArrayType = std::vector, class StringType = std::string, class BooleanType = bool, class NumberIntegerType = std::int64_t, class NumberUnsignedType = std::uint64_t, class NumberFloatType = double, template< typename U > class AllocatorType = std::allocator, template< typename T, typename SFINAE=void > class JSONSerializer = adl_serializer, class BinaryType = std::vector<std::uint8_t>>

template<typename T , typename... Args>

static JSON_HEDLEY_RETURNS_NON_NULL T * nlohmann::basic_json< ObjectType, ArrayType, StringType, BooleanType, NumberIntegerType, NumberUnsignedType, NumberFloatType, AllocatorType, JSONSerializer, BinaryType >::create ( Args &&...  args )

inlinestaticprivate

helper for exception-safe object creation

Definition at line 18608 of file json.hpp.

    {
        AllocatorType<T> alloc;
        using AllocatorTraits = std::allocator_traits<AllocatorType<T>>;
        auto deleter = [&](T * obj)
        {
            AllocatorTraits::deallocate(alloc, obj, 1);
        };
        std::unique_ptr<T, decltype(deleter)> obj(AllocatorTraits::allocate(alloc, 1), deleter);
        AllocatorTraits::construct(alloc, obj.get(), std::forward<Args>(args)...);
        JSON_ASSERT(obj != nullptr);
        return obj.release();
    }