nlohmann::basic_json::get_allocator¶

staticallocator_typeget_allocator();

Returns the allocator associated with the container.

Return value¶

associated allocator

Examples¶

Example

The example shows how get_allocator() is used to created json values.

#include<iostream>
#include<nlohmann/json.hpp>
usingjson=nlohmann::json;
intmain()
{
autoalloc=json::get_allocator();
usingtraits_t=std::allocator_traits<decltype(alloc)>;
json*j=traits_t::allocate(alloc,1);
traits_t::construct(alloc,j,"Hello, world!");
std::cout<<*j<<std::endl;
traits_t::destroy(alloc,j);
traits_t::deallocate(alloc,j,1);
}

Output:

"Hello, world!"

Version history¶

Added in version 1.0.0.