Added simple interface files

packages/squiggle-lang/src/rescript/GenericDist/GenericDist.res

@@ -1,9 +1,10 @@
 //TODO: multimodal, add interface, test somehow, track performance, refactor sampleSet, refactor ASTEvaluator.res.
-type genericDist = GenericDist_Types.genericDist
+type t = GenericDist_Types.genericDist
 type error = GenericDist_Types.error
-type toPointSetFn = genericDist => result<PointSetTypes.pointSetDist, error>
-type toSampleSetFn = genericDist => result<array<float>, error>
-type t = genericDist
+type toPointSetFn = t => result<PointSetTypes.pointSetDist, error>
+type toSampleSetFn = t => result<array<float>, error>
+type scaleMultiplyFn = (t, float) => result<t, error>
+type pointwiseAddFn = (t, t) => result<t, error>
 
 let sampleN = (n, t: t) =>
   switch t {
@@ -28,7 +29,7 @@ let normalize = (t: t) =>
   | #SampleSet(_) => t
   }
 
-let operationToFloat = (toPointSet: toPointSetFn, fnName, t: genericDist): result<float, error> => {
+let operationToFloat = (toPointSet: toPointSetFn, fnName, t) => {
   let symbolicSolution = switch t {
   | #Symbolic(r) =>
     switch SymbolicDist.T.operate(fnName, r) {
@@ -220,9 +221,9 @@ let pointwiseCombinationFloat = (
 }
 
 let mixture = (
-  scaleMultiply: (genericDist, float) => result<genericDist, error>,
-  pointwiseAdd: (genericDist, genericDist) => result<genericDist, error>,
-  values: array<(genericDist, float)>,
+  scaleMultiply: scaleMultiplyFn,
+  pointwiseAdd: pointwiseAddFn,
+  values: array<(t, float)>,
 ) => {
   if E.A.length(values) == 0 {
     Error(GenericDist_Types.Other("mixture must have at least 1 element"))

packages/squiggle-lang/src/rescript/GenericDist/GenericDist.resi

@@ -0,0 +1,44 @@
+type t = GenericDist_Types.genericDist
+type error = GenericDist_Types.error
+type toPointSetFn = t => result<PointSetTypes.pointSetDist, error>
+type toSampleSetFn = t => result<array<float>, error>
+type scaleMultiplyFn = (t, float) => result<t, error>
+type pointwiseAddFn = (t, t) => result<t, error>
+
+let sampleN: (int, t) => result<array<float>, error>
+
+let fromFloat: float => t
+
+let toString: t => string
+
+let normalize: t => t
+
+let operationToFloat: (toPointSetFn, Operation.distToFloatOperation, t) => result<float, error>
+
+let toPointSet: (int, t) => result<PointSetTypes.pointSetDist, error>
+
+let truncate: (toPointSetFn, option<float>, option<float>, t) => result<t, error>
+
+let algebraicCombination: (
+  toPointSetFn,
+  toSampleSetFn,
+  GenericDist_Types.Operation.arithmeticOperation,
+  t,
+  t,
+) => result<t, error>
+
+let pointwiseCombination: (
+  toPointSetFn,
+  GenericDist_Types.Operation.arithmeticOperation,
+  t,
+  t,
+) => result<t, error>
+
+let pointwiseCombinationFloat: (
+  toPointSetFn,
+  GenericDist_Types.Operation.arithmeticOperation,
+  float,
+  t,
+) => result<t, error>
+
+let mixture: (scaleMultiplyFn, pointwiseAddFn, array<(t, float)>) => result<t, error>

packages/squiggle-lang/src/rescript/GenericDist/GenericDist_GenericOperation.res

@@ -1,4 +1,4 @@
-type operation = GenericDist_Types.Operation.genericFunction
+type operation = GenericDist_Types.Operation.genericFunctionCall
 type genericDist = GenericDist_Types.genericDist
 type error = GenericDist_Types.error
 
@@ -9,14 +9,6 @@ type params = {
   xyPointLength: int,
 }
 
-let genericParams = {
-  sampleCount: 1000,
-  xyPointLength: 1000,
-}
-
-type wrapped = (genericDist, params)
-
-let wrapWithParams = (g: genericDist, f: params): wrapped => (g, f)
 type outputType = [
   | #Dist(genericDist)
   | #Error(error)
@@ -82,7 +74,7 @@ let rec run = (extra, fnName: operation): outputType => {
     | #toDist(#normalize) => dist |> GenericDist.normalize |> (r => #Dist(r))
     | #toDist(#truncate(left, right)) =>
       dist
-      |> GenericDist.Truncate.run(toPointSet, left, right)
+      |> GenericDist.truncate(toPointSet, left, right)
       |> E.R.fmap(r => #Dist(r))
       |> fromResult
     | #toDist(#toPointSet) =>
@@ -95,7 +87,7 @@ let rec run = (extra, fnName: operation): outputType => {
     | #toDistCombination(#Algebraic, _, #Float(_)) => #Error(NotYetImplemented)
     | #toDistCombination(#Algebraic, operation, #Dist(dist2)) =>
       dist
-      |> GenericDist.AlgebraicCombination.run(toPointSet, toSampleSet, operation, dist2)
+      |> GenericDist.algebraicCombination(toPointSet, toSampleSet, operation, dist2)
       |> E.R.fmap(r => #Dist(r))
       |> fromResult
     | #toDistCombination(#Pointwise, operation, #Dist(dist2)) =>

packages/squiggle-lang/src/rescript/GenericDist/GenericDist_GenericOperation.resi

@@ -0,0 +1,13 @@
+type params = {
+  sampleCount: int,
+  xyPointLength: int,
+}
+
+type outputType = [
+  | #Dist(GenericDist_Types.genericDist)
+  | #Error(GenericDist_Types.error)
+  | #Float(float)
+  | #String(string)
+]
+
+let run: (params, GenericDist_Types.Operation.genericFunctionCall) => outputType

packages/squiggle-lang/src/rescript/GenericDist/GenericDist_Types.res

@@ -61,7 +61,7 @@ module Operation = {
     | #toString
   ]
 
-  type genericFunction = [
+  type genericFunctionCall = [
     | #fromDist(fromDist, genericDist)
     | #fromFloat(fromDist, float)
     | #mixture(array<(genericDist, float)>)

packages/squiggle-lang/src/rescript/GenericDist/README.md

@@ -33,7 +33,6 @@ graph TD
 
 ## Todo
 - [ ] Lots of cleanup 
-- [ ] Add interface files
 - [ ] Simple test story
 - [ ] Provide decent stack traces for key calls in GenericOperation. This could be very useful for debugging.
 - [ ] Cleanup Sample Set library