Mercurial > urweb
changeset 17:9bd8669d53c2
Further experiments with implicit arguments
| author | Adam Chlipala <adamc@hcoop.net> |
|---|---|
| date | Sun, 08 Jun 2008 14:10:51 -0400 |
| parents | bc7b76ca57e0 |
| children | 9a578171de9e |
| files | src/elab_env.sml src/elaborate.sml tests/impl.lac |
| diffstat | 3 files changed, 10 insertions(+), 2 deletions(-) [+] |
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--- a/src/elab_env.sml Sun Jun 08 13:59:29 2008 -0400 +++ b/src/elab_env.sml Sun Jun 08 14:10:51 2008 -0400 @@ -54,7 +54,7 @@ c else CRel (xn + 1) - | CUnif _ => raise SynUnif + (*| CUnif _ => raise SynUnif*) | _ => c, bind = fn (bound, U.Con.Rel _) => bound + 1 | (bound, _) => bound}
--- a/src/elaborate.sml Sun Jun 08 13:59:29 2008 -0400 +++ b/src/elaborate.sml Sun Jun 08 14:10:51 2008 -0400 @@ -357,7 +357,7 @@ #1 rep else c - | L'.CUnif _ => raise SynUnif + (*| L'.CUnif _ => raise SynUnif*) | _ => c, bind = fn ((xn, rep), U.Con.Rel _) => (xn+1, liftConInCon 0 rep) | (ctx, _) => ctx}
--- a/tests/impl.lac Sun Jun 08 13:59:29 2008 -0400 +++ b/tests/impl.lac Sun Jun 08 14:10:51 2008 -0400 @@ -3,3 +3,11 @@ 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 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 = {}}