[#BloombergLP-bsls-PreconditionsHandler-PreconditionHandlerType]
= xref:BloombergLP.adoc[BloombergLP]::xref:BloombergLP/bsls.adoc[bsls]::xref:BloombergLP/bsls/PreconditionsHandler.adoc[PreconditionsHandler]::PreconditionHandlerType
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:mrdocs:

`PreconditionHandlerType` is an alias for a pointer to a function returning `void` and taking no parameters.

== Synopsis

Declared in `<bsls_preconditions.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
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typedef void(* PreconditionHandlerType)();
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