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authorGravatar Ziv Scully <ziv@mit.edu>2015-07-19 19:03:11 -0700
committerGravatar Ziv Scully <ziv@mit.edu>2015-07-19 19:03:11 -0700
commitbc38beafd07b7ae6106a2fffda82084a08af7f06 (patch)
tree788e74a4e66ebe79ce8e03c2787c09e0ee529b0f /src/sqlcache.sml
parent03b7950e3639899de788cac8824a0e7f4be8a0bd (diff)
Rename C functions and remove functors nested inside modules.
Diffstat (limited to 'src/sqlcache.sml')
-rw-r--r--src/sqlcache.sml30
1 files changed, 1 insertions, 29 deletions
diff --git a/src/sqlcache.sml b/src/sqlcache.sml
index 5f737ac5..ff58ef77 100644
--- a/src/sqlcache.sml
+++ b/src/sqlcache.sml
@@ -207,7 +207,7 @@ fun mapFormula mf =
(* SQL analysis. *)
-structure CmpKey : ORD_KEY = struct
+structure CmpKey = struct
type ord_key = Sql.cmp
@@ -247,34 +247,6 @@ functor ListKeyFn (K : ORD_KEY) : ORD_KEY = struct
end
*)
-functor OptionKeyFn (K : ORD_KEY) : ORD_KEY = struct
-
- type ord_key = K.ord_key option
-
- val compare =
- fn (NONE, NONE) => EQUAL
- | (NONE, _) => LESS
- | (_, NONE) => GREATER
- | (SOME x, SOME y) => K.compare (x, y)
-
-end
-
-functor TripleKeyFn (structure I : ORD_KEY
- structure J : ORD_KEY
- structure K : ORD_KEY)
- : ORD_KEY where type ord_key = I.ord_key * J.ord_key * K.ord_key = struct
-
- type ord_key = I.ord_key * J.ord_key * K.ord_key
-
- fun compare ((i1, j1, k1), (i2, j2, k2)) =
- case I.compare (i1, i2) of
- EQUAL => (case J.compare (j1, j2) of
- EQUAL => K.compare (k1, k2)
- | ord => ord)
- | ord => ord
-
-end
-
val rec chooseTwos : 'a list -> ('a * 'a) list =
fn [] => []
| x :: ys => map (fn y => (x, y)) ys @ chooseTwos ys