Mercurial > urweb
comparison 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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| 243:2b9dfaffb008 | 244:71bafe66dbe1 |
|---|---|
| 1 val id = fn t :: Type => fn x : t => x | |
| 2 val id_self = id [t :: Type -> t -> t] id | |
| 3 | |
| 4 val idi = fn t ::: Type => fn x : t => x | |
| 5 val idi_self = idi idi | |
| 6 | |
| 7 val picker = fn na :: Name => fn a ::: Type => fn nb :: Name => fn b ::: Type => fn fs ::: {Type} => | |
| 8 fn r : $([na = a, nb = b] ++ fs) => {na = r.na, nb = r.nb} | |
| 9 val getem = picker [#A] [#C] {A = 0, B = 1.0, C = "hi", D = {}} | |
| 10 val getem2 = picker [#A] [_] {A = 0, B = 1.0, C = "hi", D = {}} | |
| 11 val getem3 = picker [#A] [_::Name] {A = 0, B = 1.0, C = "hi", D = {}} | |
| 12 | |
| 13 val picker_ohmy = fn na ::: Name => fn a ::: Type => fn nb ::: Name => fn b ::: Type => fn fs ::: {Type} => | |
| 14 fn r : $([na = a, nb = b] ++ fs) => {na = r.na, nb = r.nb} | |
| 15 val getem_ohmy = picker_ohmy {A = 0, B = 1.0, C = "hi", D = {}} |