is_structured()

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>>

constexpr bool nlohmann::basic_json< ObjectType, ArrayType, StringType, BooleanType, NumberIntegerType, NumberUnsignedType, NumberFloatType, AllocatorType, JSONSerializer, BinaryType >::is_structured ( ) const

inlineconstexprnoexcept

return whether type is structured

This function returns true if and only if the JSON type is structured (array or object).

Returns

true if type is structured (array or object), false otherwise.

@complexity Constant.

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

@liveexample{The following code exemplifies is_structured() for all JSON types.,is_structured}

See also

see is_primitive() – returns whether value is primitive

see is_array() – returns whether value is an array

see is_object() – returns whether value is an object

Since

version 1.0.0

Definition at line 20229 of file json.hpp.

    {
        return is_array() || is_object();
    }