back()

template<typename BasicJsonType >

const std::string & nlohmann::json_pointer< BasicJsonType >::back ( ) const

inline

return last reference token

Precondition

not empty()

Returns

last reference token

@liveexample{The example shows the usage of back.,json_pointer__back}

@complexity Constant.

Exceptions

out_of_range.405

if JSON pointer has no parent

Since

version 3.6.0

Definition at line 12815 of file json.hpp.

    {
        if (JSON_HEDLEY_UNLIKELY(empty()))
        {
            JSON_THROW(detail::out_of_range::create(405, "JSON pointer has no parent", BasicJsonType()));
        }
 
        return reference_tokens.back();
    }