empty()

template<typename BasicJsonType >

bool nlohmann::json_pointer< BasicJsonType >::empty ( ) const

inlinenoexcept

return whether pointer points to the root document

Returns

true iff the JSON pointer points to the root document

@complexity Constant.

@exceptionsafety No-throw guarantee: this function never throws exceptions.

@liveexample{The example shows the result of empty for different JSON Pointers.,json_pointer__empty}

Since

version 3.6.0

Definition at line 12862 of file json.hpp.

    {
        return reference_tokens.empty();
    }