Polymake Template Library (PTL) 4.12
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#include <meta_list.h>
Inherits mlist_concat< mlist_head< List >::type, mtagged_list_modify< mlist_tail< List >::type, Tag, Operation, MoreOperands... >::type >.
Modify a tagged meta-list: Replace the element with the given tag by the result of a binary meta-function applied to the element and a second value. If the tag does not occur in the source list, TOperation<void, TValue2>::type is appended to the result list.