Mercurial > urweb
diff tests/impl.ur @ 244:71bafe66dbe1
Laconic -> Ur
author | Adam Chlipala <adamc@hcoop.net> |
---|---|
date | Sun, 31 Aug 2008 08:32:18 -0400 |
parents | tests/impl.lac@9a578171de9e |
children | 8d3aa6c7cee0 |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/tests/impl.ur Sun Aug 31 08:32:18 2008 -0400 @@ -0,0 +1,15 @@ +val id = fn t :: Type => fn x : t => x +val id_self = id [t :: Type -> t -> t] id + +val idi = fn t ::: Type => fn x : t => x +val idi_self = idi idi + +val picker = fn na :: Name => fn a ::: Type => fn nb :: Name => fn b ::: Type => fn fs ::: {Type} => + fn r : $([na = a, nb = b] ++ fs) => {na = r.na, nb = r.nb} +val getem = picker [#A] [#C] {A = 0, B = 1.0, C = "hi", D = {}} +val getem2 = picker [#A] [_] {A = 0, B = 1.0, C = "hi", D = {}} +val getem3 = picker [#A] [_::Name] {A = 0, B = 1.0, C = "hi", D = {}} + +val picker_ohmy = fn na ::: Name => fn a ::: Type => fn nb ::: Name => fn b ::: Type => fn fs ::: {Type} => + fn r : $([na = a, nb = b] ++ fs) => {na = r.na, nb = r.nb} +val getem_ohmy = picker_ohmy {A = 0, B = 1.0, C = "hi", D = {}}