[#BloombergLP-bslstl-StdExceptUtil-setUnderflowErrorHook]
= xref:BloombergLP.adoc[BloombergLP]::xref:BloombergLP/bslstl.adoc[bslstl]::xref:BloombergLP/bslstl/StdExceptUtil.adoc[StdExceptUtil]::setUnderflowErrorHook
:relfileprefix: ../../../
:mrdocs:

Set the pre throw hook for the specified exception type to the specified `hook`. If `hook` is passed 0, or if the settor was never called, that means that no pre‐throw function will be called.

== Synopsis

Declared in `<bslstl_stdexceptutil.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
static
void
setUnderflowErrorHook(xref:BloombergLP/bslstl/StdExceptUtil/PreThrowHook.adoc[PreThrowHook] hook);
----


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