:relfileprefix: ../../../
[#89A748600C79A4297BFAB0B44DFD52FDA1F07A0E]

= Friend operator!=

pass:v,q[Return true if two addresses are not equal]


== Synopsis

Declared in header `</boost/url/ipv4_address.hpp#L254[boost/url/ipv4_address.hpp,window=blank_]>`

[source,cpp,subs="verbatim,macros,-callouts"]
----
friend
bool
operator!=(
    const xref:boost/urls/ipv4_address.adoc[ipv4_address]& a1,
    const xref:boost/urls/ipv4_address.adoc[ipv4_address]& a2) noexcept;
----