Mercurial > urweb
annotate tests/functor.lac @ 40:e3d3c2791105
Functor parsing
author | Adam Chlipala <adamc@hcoop.net> |
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date | Thu, 19 Jun 2008 15:15:00 -0400 |
parents | |
children | 1405d8c26790 |
rev | line source |
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adamc@40 | 1 signature S = sig |
adamc@40 | 2 type t |
adamc@40 | 3 val z : t |
adamc@40 | 4 val s : t -> t |
adamc@40 | 5 end |
adamc@40 | 6 |
adamc@40 | 7 signature T = sig |
adamc@40 | 8 type t |
adamc@40 | 9 val three : t |
adamc@40 | 10 end |
adamc@40 | 11 |
adamc@40 | 12 structure F = functor (M : S) : T => struct |
adamc@40 | 13 val t = M.t |
adamc@40 | 14 val three = M.s (M.s (M.s M.z)) |
adamc@40 | 15 end |