Polyvariance
============

Polyvariance is an optimization pass for the <:SXML:>
<:IntermediateLanguage:>, invoked from <:SXMLSimplify:>.

== Description ==

This pass duplicates a higher-order, `let` bound function at each
variable reference, if the cost is smaller than some threshold.

== Implementation ==

* <!ViewGitFile(mlton,master,mlton/xml/polyvariance.fun)>

== Details and Notes ==

{empty}
