[#BSLALG_DECLARE_NESTED_TRAITS4]
= BSLALG&lowbar;DECLARE&lowbar;NESTED&lowbar;TRAITS4
:mrdocs:

Like `BSLALG&lowbar;DECLARE&lowbar;NESTED&lowbar;TRAITS`, but for four traits&period;

== Synopsis

Declared in `&lt;bslalg&lowbar;typetraits&period;h&gt;`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
#define BSLALG&lowbar;DECLARE&lowbar;NESTED&lowbar;TRAITS4(T, TRAIT1, TRAIT2, TRAIT3, TRAIT4)

----

== Parameters

[cols="1,4"]
|===
| Name| Description
| *T*
| class with which to associate the traits
| *TRAIT1*
| first trait tag to associate with `T`
| *TRAIT2*
| second trait tag to associate with `T`
| *TRAIT3*
| third trait tag to associate with `T`
| *TRAIT4*
| fourth trait tag to associate with `T`
|===


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