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Split into an untyped core and a typed layer (#1)

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This commit is contained in:
Patrick Stevens
2021-12-26 16:24:05 +00:00
committed by GitHub
parent c462042dd2
commit b407409584
13 changed files with 745 additions and 242 deletions
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57
FicroKanSharp.Test/TestExamples.fs
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@@ -10,26 +10,25 @@ module TestThing =
let ``Example from the docs`` () : unit =
let aAndB =
Goal.conj
(Goal.callFresh (fun x -> Goal.equiv (Term.Variable x) (Term.Literal 7)))
(Goal.callFresh (fun x -> Goal.equiv (Term.Variable x) (Term.Symbol (7, []))))
(Goal.callFresh (fun x ->
Goal.disj
(Goal.equiv (Term.Variable x) (Term.Literal 5))
(Goal.equiv (Term.Variable x) (Term.Literal 6))
(Goal.equiv (Term.Variable x) (Term.Symbol (5, [])))
(Goal.equiv (Term.Variable x) (Term.Symbol (6, [])))
))
let u = Goal.evaluate aAndB State.empty
let u = Goal.evaluate aAndB
match u |> Stream.peel with
| None -> failwith "oh no"
| Some (s, rest) ->
s
|> Map.map (fun _ -> TypedTerm.force<int>)
|> Map.toList
|> shouldEqual
[
Variable.VariableCount 0, Term.Literal 7
Variable.VariableCount 1, Term.Literal 5
Variable.VariableCount 0, Term.Symbol (7, [])
Variable.VariableCount 1, Term.Symbol (5, [])
]
match rest |> Stream.peel with
@@ -37,12 +36,11 @@ module TestThing =
| Some (s, rest) ->
s
|> Map.map (fun _ -> TypedTerm.force<int>)
|> Map.toList
|> shouldEqual
[
Variable.VariableCount 0, Term.Literal 7
Variable.VariableCount 1, Term.Literal 6
Variable.VariableCount 0, Term.Symbol (7, [])
Variable.VariableCount 1, Term.Symbol (6, [])
]
match rest |> Stream.peel with
@@ -52,20 +50,19 @@ module TestThing =
[<Fact>]
let ``Another example`` () =
let aAndB =
(Goal.callFresh (fun x -> Goal.equiv (Term.Variable x) (Term.Literal 5)))
(Goal.callFresh (fun x -> Goal.equiv (Term.Variable x) (Term.Symbol (5, []))))
let u = Goal.evaluate aAndB State.empty
let u = Goal.evaluate aAndB
match u |> Stream.peel with
| None -> failwith "oh no"
| Some (s, rest) ->
s
|> Map.map (fun _ -> TypedTerm.force<int>)
|> Map.toList
|> shouldEqual
[
Variable.VariableCount 0, Term.Literal 5
Variable.VariableCount 0, Term.Symbol (5, [])
]
match Stream.peel rest with
@@ -75,21 +72,19 @@ module TestThing =
[<Fact>]
let ``Recursive example`` () =
let rec fives (x : Variable) =
(Goal.disj (Goal.equiv (Term.Variable x) (Term.Literal 5)) (Goal.delay (fun () -> fives x)))
(Goal.disj (Goal.equiv (Term.Variable x) (Term.Symbol (5, []))) (Goal.delay (fun () -> fives x)))
let u =
Goal.evaluate (Goal.callFresh fives) State.empty
let u = Goal.evaluate (Goal.callFresh fives)
match u |> Stream.peel with
| None -> failwith "oh no"
| Some (s, rest) ->
s
|> Map.map (fun _ -> TypedTerm.force<int>)
|> Map.toList
|> shouldEqual
[
Variable.VariableCount 0, Term.Literal 5
Variable.VariableCount 0, Term.Symbol (5, [])
]
match Stream.peel rest with
@@ -97,11 +92,10 @@ module TestThing =
| Some (s, rest) ->
s
|> Map.map (fun _ -> TypedTerm.force<int>)
|> Map.toList
|> shouldEqual
[
Variable.VariableCount 0, Term.Literal 5
Variable.VariableCount 0, Term.Symbol (5, [])
]
match Stream.peel rest with
@@ -109,36 +103,34 @@ module TestThing =
| Some (s, _rest) ->
s
|> Map.map (fun _ -> TypedTerm.force<int>)
|> Map.toList
|> shouldEqual
[
Variable.VariableCount 0, Term.Literal 5
Variable.VariableCount 0, Term.Symbol (5, [])
]
[<Fact>]
let ``Another recursive example`` () =
let rec fives (x : Variable) =
(Goal.disj (Goal.equiv (Term.Variable x) (Term.Literal 5)) (Goal.delay (fun () -> fives x)))
(Goal.disj (Goal.equiv (Term.Variable x) (Term.Symbol (5, []))) (Goal.delay (fun () -> fives x)))
let rec sixes (x : Variable) =
(Goal.disj (Goal.equiv (Term.Variable x) (Term.Literal 6)) (Goal.delay (fun () -> sixes x)))
(Goal.disj (Goal.equiv (Term.Variable x) (Term.Symbol (6, []))) (Goal.delay (fun () -> sixes x)))
let fivesAndSixes =
Goal.callFresh (fun x -> Goal.disj (fives x) (sixes x))
let u = Goal.evaluate fivesAndSixes State.empty
let u = Goal.evaluate fivesAndSixes
match u |> Stream.peel with
| None -> failwith "oh no"
| Some (s, rest) ->
s
|> Map.map (fun _ -> TypedTerm.force<int>)
|> Map.toList
|> shouldEqual
[
Variable.VariableCount 0, Term.Literal 5
Variable.VariableCount 0, Term.Symbol (5, [])
]
match Stream.peel rest with
@@ -146,11 +138,10 @@ module TestThing =
| Some (s, rest) ->
s
|> Map.map (fun _ -> TypedTerm.force<int>)
|> Map.toList
|> shouldEqual
[
Variable.VariableCount 0, Term.Literal 6
Variable.VariableCount 0, Term.Symbol (6, [])
]
match Stream.peel rest with
@@ -158,11 +149,10 @@ module TestThing =
| Some (s, rest) ->
s
|> Map.map (fun _ -> TypedTerm.force<int>)
|> Map.toList
|> shouldEqual
[
Variable.VariableCount 0, Term.Literal 5
Variable.VariableCount 0, Term.Symbol (5, [])
]
match Stream.peel rest with
@@ -170,9 +160,8 @@ module TestThing =
| Some (s, _rest) ->
s
|> Map.map (fun _ -> TypedTerm.force<int>)
|> Map.toList
|> shouldEqual
[
Variable.VariableCount 0, Term.Literal 6
Variable.VariableCount 0, Term.Symbol (6, [])
]