[#nlohmann-to_string]
= xref:nlohmann.adoc[nlohmann]::to_string
:relfileprefix: ../
:mrdocs:

user‐defined to_string function for JSON values

== Synopsis

Declared in `<nlohmann/json.hpp>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
template<
    template<
    typename,
    typename,
    typename...> typename ObjectType,
    template<
    typename,
    typename...> typename ArrayType,
    class StringType,
    class BooleanType,
    class NumberIntegerType,
    class NumberUnsignedType,
    class NumberFloatType,
    template<typename> typename AllocatorType,
    template<
    typename,
    typename = void> typename JSONSerializer,
    class BinaryType,
    class CustomBaseClass>
std::string
to_string(xref:nlohmann/basic_json-00.adoc[basic_json<ObjectType, ArrayType, StringType, BooleanType, NumberIntegerType, NumberUnsignedType, NumberFloatType, AllocatorType, JSONSerializer, BinaryType, CustomBaseClass>] const& j);
----

== Parameters

[cols=2]
|===
| Name
| Description
| *j*
| a class to store JSON values
|===


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