Mercurial > urweb

annotate demo/sum.ur @ 1904:686fa4e7f397

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
xml/parse: Accept entity files on the command line Signed-off-by: Anders Kaseorg <andersk@mit.edu> --- Makefile.am | 2 +- xml/parse.sml | 4 +--- 2 files changed, 2 insertions(+), 4 deletions(-)
author Anders Kaseorg <andersk@mit.edu>
date Fri, 22 Nov 2013 09:36:14 -0500
parents 8d3aa6c7cee0
children
rev   line source
adamc@823 1 fun sum [fs ::: {Unit}] (fl : folder fs) (x : $(mapU int fs)) =
adamc@1093 2 @foldUR [int] [fn _ => int]
adamc@1093 3 (fn [nm :: Name] [rest :: {Unit}] [[nm] ~ rest] n acc => n + acc)
adamc@1093 4 0 fl x
adamc@411 5
adamc@411 6 fun main () = return <xml><body>
adamc@633 7 {[sum {}]}<br/>
adamc@633 8 {[sum {A = 0, B = 1}]}<br/>
adamc@633 9 {[sum {C = 2, D = 3, E = 4}]}
adamc@411 10 </body></xml>