view demo/more/select.ur @ 1208:b5a4c5407ae0

Checking known() correctly, according to a pair of examples
author Adam Chlipala <adamc@hcoop.net>
date Tue, 06 Apr 2010 10:39:15 -0400
parents e46227efcbba
children
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fun selectChar choices current =
    List.mapX (fn (ch, label) =>
                  <xml><option value={String.str ch} selected={current = Some ch}>{[label]}</option></xml>) choices