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

Alias for `std::atto`.

== Synopsis

Declared in `<bslstl_ratio.h>`

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