view demo/tcSum.ur @ 2140:2b0f6b7ebf4f

Add urweb-mode command to close current XML tag Bound to "C-c /" by default to match nxml-mode's nxml-finish-element command.
author Julian Squires <julian@cipht.net>
date Mon, 04 May 2015 16:15:01 -0400
parents 8d3aa6c7cee0
children
line wrap: on
line source
fun sum [t] (_ : num t) [fs ::: {Unit}] (fl : folder fs) (x : $(mapU t fs)) =
    @foldUR [t] [fn _ => t]
     (fn [nm :: Name] [rest :: {Unit}] [[nm] ~ rest] n acc => n + acc)
     zero fl x

fun main () = return <xml><body>
  {[sum {A = 0, B = 1}]}<br/>
  {[sum {C = 2.1, D = 3.2, E = 4.3}]}
</body></xml>