[#bsl-atomic_fetch_sub]
= xref:bsl.adoc[bsl]::atomic_fetch_sub
:relfileprefix: ../
:mrdocs:

Alias for `std::atomic_fetch_sub` in the `bsl` namespace.

== Synopsis

Declared in `<bsl_atomic.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
using std::atomic_fetch_sub;
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