[#BENCHMARK_MULTI_IMPL]
= BENCHMARK_MULTI_IMPL
:mrdocs:

Introduces a benchmark function with support for returning the actual number of iterations. Used internally, see BENCHMARK_MULTI and friends below.

== Synopsis

Declared in `<folly/Benchmark.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
#define BENCHMARK_MULTI_IMPL(funName, stringName, paramType, paramName)

----

== Parameters

[cols="1,4"]
|===
| Name| Description
| *funName*
| The generated benchmark function's identifier.
| *stringName*
| The benchmark's display name.
| *paramType*
| The type of the benchmark's iteration parameter.
| *paramName*
| The name of the benchmark's iteration parameter.
|===


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