get_binary() [2/2]

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>>

const binary_t & nlohmann::basic_json< ObjectType, ArrayType, StringType, BooleanType, NumberIntegerType, NumberUnsignedType, NumberFloatType, AllocatorType, JSONSerializer, BinaryType >::get_binary ( ) const

inline

Returns

reference to the binary value

Exceptions

type_error.302

if the value is not binary

See also

see is_binary() to check if the value is binary

Since

version 3.8.0

Definition at line 21139 of file json.hpp.

    {
        if (!is_binary())
        {
            JSON_THROW(type_error::create(302, "type must be binary, but is " + std::string(type_name()), *this));
        }
 
        return *get_ptr<const binary_t *>();
    }