Mercurial > urweb
view demo/sum.ur @ 2227:adb49db02af4
Fix type in flush FFI call to option string (rather than string).
author | Ziv Scully <ziv@mit.edu> |
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date | Tue, 31 Mar 2015 04:10:46 -0400 |
parents | 8d3aa6c7cee0 |
children |
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fun sum [fs ::: {Unit}] (fl : folder fs) (x : $(mapU int fs)) = @foldUR [int] [fn _ => int] (fn [nm :: Name] [rest :: {Unit}] [[nm] ~ rest] n acc => n + acc) 0 fl x fun main () = return <xml><body> {[sum {}]}<br/> {[sum {A = 0, B = 1}]}<br/> {[sum {C = 2, D = 3, E = 4}]} </body></xml>