[#std-hash-0c6-folly_is_avalanching]
= xref:std.adoc[std]::xref:std/hash-0c6.adoc[hash&lt;std::tuple&lt;Ts&period;&period;&period;&gt;&gt;]::folly&lowbar;is&lowbar;avalanching
:relfileprefix: ../../
:mrdocs:

Marks this hash as avalanching when its element hashes are&period;

== Synopsis

Declared in `&lt;folly&sol;hash&sol;Hash&period;h&gt;`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
using folly&lowbar;is&lowbar;avalanching = std::bool&lowbar;constant&lt;(sizeof&period;&period;&period;(Ts) !&equals; 1 &verbar;&verbar; folly&colon;&colon;IsAvalanchingHasher&lt;std&colon;&colon;hash&lt;FirstT&gt;, FirstT&gt;&colon;&colon;value)&gt;;
----


[.small]#Created with https://www.mrdocs.com[MrDocs]#
