[#nlohmann-basic_json-0e-contains-03]
= xref:nlohmann.adoc[nlohmann]::xref:nlohmann/basic_json-0e.adoc[basic_json<>]::contains
:relfileprefix: ../../
:mrdocs:

== Synopsis

Declared in `<nlohmann/json.hpp>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
bool
contains(xref:nlohmann/basic_json-0e/json_pointer.adoc[json_pointer] const& ptr) const;
----


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