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MonoOpt: remove concatenation with empty string
author Adam Chlipala <adam@chlipala.net>
date Wed, 03 Dec 2014 21:21:37 -0500
parents e762c96fffb7
children
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val concatX [ctx ::: {Unit}] [use ::: {Type}]
    : list (xml ctx use []) -> xml ctx use []
  = List.foldl join <xml/>