[#bsl-set-03]
= xref:bsl.adoc[bsl]::xref:bsl/set-0d.adoc[set&lt;KEY&gt;]
:relfileprefix: ../
:mrdocs:

Deduce `KEY` from an initializer&lowbar;list when an allocator pointer is given&period;

== Synopsis

Declared in `&lt;bslstl&lowbar;set&period;h&gt;`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
template&lt;
    class KEY,
    class ALLOC,
    class DEFAULT&lowbar;ALLOCATOR = xref:bsl/allocator-0df.adoc[bsl::allocator&lt;KEY&gt;]&gt;
requires bsl&colon;&colon;is&lowbar;convertible&lowbar;v&lt;ALLOC &ast;, DEFAULT&lowbar;ALLOCATOR&gt;
xref:bsl/set-0d.adoc[set&lt;KEY&gt;](
    std::initializer&lowbar;list&lt;KEY&gt;,
    ALLOC*) -> xref:bsl/set-0d.adoc[set&lt;KEY&gt;];
----

== Description

This deduction guide does not participate unless the specified `ALLOC` is convertible to `bsl&colon;&colon;allocator&lt;KEY&gt;`&period;


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