[#nlohmann-basic_json-0c-iterator_wrapper-0b]
= xref:nlohmann.adoc[nlohmann]::xref:nlohmann/basic_json-0c.adoc[basic_json]::iterator_wrapper
:relfileprefix: ../../
:mrdocs:

wrapper to access iterator member functions in range‐based for

== Synopsis

Declared in `<nlohmann/json.hpp>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
[[deprecated]]
static
xref:nlohmann/basic_json-0c.adoc[iteration_proxy<const_iterator>]
iterator_wrapper(xref:nlohmann/basic_json-0c/const_reference.adoc[const_reference] ref) noexcept;
----

[WARNING]
====
https://en.cppreference.com/cpp/language/attributes/deprecated[Deprecated^]: Since 3.1.0; use items(). Use of this entity is allowed but discouraged.
====
== Return Value

iteration proxy exposing `key()`/`value()` for range‐based for loops

== Parameters

[cols="1,4"]
|===
| Name| Description
| *ref*
| JSON value to iterate over
|===


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