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|
signature S =
sig
type t
structure S:
sig
type 'a t
val x: 'a t
end
end
structure S:
sig
datatype ('a, 'b) t = T of 'a
end =
struct
datatype ('b, 'a) t = T of 'b
end
functor F (eqtype t
datatype u = U of t
eqtype v
sharing type t = v) =
struct
fun f (u: u) = u = u
end
functor F (type t
eqtype u
sharing type t = u) =
struct
fun f (x: t) = x = x
end
signature S1 =
sig
datatype t = T
end
signature S2 =
sig
eqtype u
structure S: S1 where type t = u
end;
signature S1 =
sig
datatype t = T
end
signature S2 =
sig
datatype u = U
structure S: S1 where type t = u
end;
signature S =
sig
datatype t = T
end where type t = int
signature S =
sig
type t
type u
type v = t
sharing type u = v
end
signature S =
sig
type 'a t
type 'a u
type 'a v = 'a t
sharing type u = v
end
signature S =
sig
type t
datatype u = U
sharing type u = t
end
signature S =
sig
type t
structure Z:
sig
datatype u = U
end
sharing type Z.u = t
end
signature S =
sig
eqtype t
structure Z:
sig
datatype u = U
end where type u = t
end
structure S:
sig
eqtype t
structure Z:
sig
datatype u = U
end where type u = t
end =
struct
structure Z =
struct
datatype u = U
end
type t = Z.u
end
functor F () = struct end
functor F (type t) = struct type u = t end
functor F (val x: int) = struct val y = x end
functor F (structure S: sig end) = struct open S end
functor F (type t
type u
sharing type t = u) =
struct
val id: t -> u = fn x => x
end
functor F (eqtype t) = struct fun f (x: t) = x = x end
functor F (structure S:
sig
type t
end
structure T:
sig
type t
end
sharing S = T) =
struct
val id: S.t -> T.t = fn x => x
end
functor F (datatype 'a t = T of 'a * 'a) =
struct
val _ = T (13, 14)
end
functor F (type ('a, 'b) t
type 'a u = ('a, int) t
val f: (bool, 'b) t -> real
val u: bool u) =
struct
val _ = f u
end
functor F (datatype t = T
datatype u = U of t) =
struct
fun f (x: u) = x = x
end
structure S:
sig
val x: unit list
end =
struct
val x = []
end
structure S:
sig
val x: 'a list
end =
struct
val x = []
end
structure S:
sig
val x: ''a list
end =
struct
val x = []
end
structure S:
sig
val f: ''a -> ''a list
end =
struct
fun f x = [x]
end
structure S:
sig
type 'a t
val T: int t
end =
struct
datatype 'a t = T
end
structure S:
sig
val f: 'a list -> 'a list
end =
struct
fun f _ = []
end
val z = S.f [1, 2, 3]
structure S = struct datatype t = T end
functor F () = S
structure S1 = F ()
structure S2 = F ()
val _ = S1.T = S2.T
datatype t = T
functor F () =
struct
datatype t = datatype t
end
structure S1 = F ()
structure S2 = F ()
val _ = S1.T = S2.T
signature SIG = sig type t end
functor F (S: sig type t end): SIG = S
structure S:>
sig
structure T: sig type t end
structure U: SIG
sharing type T.t = U.t
end =
struct
structure T = struct type t = unit end
structure U = F (type t = unit)
end
val f = fn z: S.T.t => z: S.U.t
structure S:>
sig
eqtype t
val x: t
end =
struct
type t = unit
val x = ()
end
val _ = S.x = S.x
val _ = fn x: LargeInt.int => x: IntInf.int
signature S =
sig
type t
end
structure S:> S =
struct
datatype t = T
end
signature T =
sig
type u
include S where type t = S.t
end
structure T:> T =
struct
datatype u = U
type t = S.t
end
val _: T.t -> S.t = fn x => x
signature SIG =
sig
type u
type v = u
end where type v = int
structure S: SIG =
struct
type u = int
type v = int
end
functor F () =
struct
val A = 0
end
structure S =
struct
datatype z = A
structure F = F ()
end
|
