Mercurial > urweb

annotate tests/type_classMod2.ur @ 1813:4c61bb7acb9b

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
Minor js optimizations. * flatten() now uses accumulator and join. * reuse regexps instead of allocating new each time
author Vladimir Shabanov <vshabanoff@gmail.com>
date Thu, 30 Aug 2012 17:58:37 +0400
parents 71bafe66dbe1
children
rev   line source
adamc@218 1 signature S = sig
adamc@218 2 class c
adamc@218 3 val default : t :: Type -> c t -> t
adamc@218 4
adamc@218 5 val string_c : c string
adamc@218 6 val int_c : c int
adamc@218 7 end
adamc@218 8
adamc@218 9 structure M : S = struct
adamc@218 10 class c t = t
adamc@218 11 val default = fn t :: Type => fn v : c t => v
adamc@218 12
adamc@218 13 val int_c : c int = 0
adamc@218 14 val string_c : c string = "Hi"
adamc@218 15 end
adamc@218 16
adamc@218 17 val hi = M.default [string] _
adamc@218 18 val zero = M.default [int] _