diff --git a/packages/squiggle-lang/src/rescript/ForTS/ForTS_SquiggleValue/ForTS_SquiggleValue_Array.res b/packages/squiggle-lang/src/rescript/ForTS/ForTS_SquiggleValue/ForTS_SquiggleValue_Array.res
index 61b84d74..cfe128e7 100644
--- a/packages/squiggle-lang/src/rescript/ForTS/ForTS_SquiggleValue/ForTS_SquiggleValue_Array.res
+++ b/packages/squiggle-lang/src/rescript/ForTS/ForTS_SquiggleValue/ForTS_SquiggleValue_Array.res
@@ -4,3 +4,7 @@ type squiggleValue = ForTS_SquiggleValue.squiggleValue
 @genType
 let getValues = (v: squiggleValue_Array): array<squiggleValue> =>
   ReducerInterface_InternalExpressionValue.arrayToValueArray(v)
+
+@genType
+let toString = (v: squiggleValue_Array): string =>
+  ReducerInterface_InternalExpressionValue.toStringArray(v)
diff --git a/packages/squiggle-lang/src/rescript/ForTS/ForTS_SquiggleValue/ForTS_SquiggleValue_Declaration.res b/packages/squiggle-lang/src/rescript/ForTS/ForTS_SquiggleValue/ForTS_SquiggleValue_Declaration.res
index b53fb4bf..7fe342f8 100644
--- a/packages/squiggle-lang/src/rescript/ForTS/ForTS_SquiggleValue/ForTS_SquiggleValue_Declaration.res
+++ b/packages/squiggle-lang/src/rescript/ForTS/ForTS_SquiggleValue/ForTS_SquiggleValue_Declaration.res
@@ -1 +1,5 @@
 @genType type squiggleValue_Declaration = ReducerInterface_InternalExpressionValue.lambdaDeclaration //re-export
+
+@genType
+let toString = (v: squiggleValue_Declaration): string =>
+  ReducerInterface_InternalExpressionValue.toStringDeclaration(v)
diff --git a/packages/squiggle-lang/src/rescript/ForTS/ForTS_SquiggleValue/ForTS_SquiggleValue_Distribution.res b/packages/squiggle-lang/src/rescript/ForTS/ForTS_SquiggleValue/ForTS_SquiggleValue_Distribution.res
index ef20d02f..c346701c 100644
--- a/packages/squiggle-lang/src/rescript/ForTS/ForTS_SquiggleValue/ForTS_SquiggleValue_Distribution.res
+++ b/packages/squiggle-lang/src/rescript/ForTS/ForTS_SquiggleValue/ForTS_SquiggleValue_Distribution.res
@@ -1 +1,5 @@
 @genType type squiggleValue_Distribution = ForTS_Distribution.distribution
+
+@genType
+let toString = (v: squiggleValue_Distribution): string =>
+  ReducerInterface_InternalExpressionValue.toStringDistribution(v)
diff --git a/packages/squiggle-lang/src/rescript/ForTS/ForTS_SquiggleValue/ForTS_SquiggleValue_Lambda.res b/packages/squiggle-lang/src/rescript/ForTS/ForTS_SquiggleValue/ForTS_SquiggleValue_Lambda.res
index c41a5727..5f14f5d3 100644
--- a/packages/squiggle-lang/src/rescript/ForTS/ForTS_SquiggleValue/ForTS_SquiggleValue_Lambda.res
+++ b/packages/squiggle-lang/src/rescript/ForTS/ForTS_SquiggleValue/ForTS_SquiggleValue_Lambda.res
@@ -1 +1,5 @@
 @genType type squiggleValue_Lambda = ReducerInterface_InternalExpressionValue.lambdaValue //re-export
+
+@genType
+let toString = (v: squiggleValue_Lambda): string =>
+  ReducerInterface_InternalExpressionValue.toStringLambda(v)
diff --git a/packages/squiggle-lang/src/rescript/ForTS/ForTS_SquiggleValue/ForTS_SquiggleValue_Module.res b/packages/squiggle-lang/src/rescript/ForTS/ForTS_SquiggleValue/ForTS_SquiggleValue_Module.res
index 8bb113a2..8125d1f3 100644
--- a/packages/squiggle-lang/src/rescript/ForTS/ForTS_SquiggleValue/ForTS_SquiggleValue_Module.res
+++ b/packages/squiggle-lang/src/rescript/ForTS/ForTS_SquiggleValue/ForTS_SquiggleValue_Module.res
@@ -4,3 +4,7 @@ type squiggleValue = ForTS_SquiggleValue.squiggleValue //use
 @genType
 let getKeyValuePairs = (v: squiggleValue_Module): array<(string, squiggleValue)> =>
   ReducerInterface_InternalExpressionValue.nameSpaceToKeyValuePairs(v)
+
+@genType
+let toString = (v: squiggleValue_Module): string =>
+  ReducerInterface_InternalExpressionValue.toStringNameSpace(v)
diff --git a/packages/squiggle-lang/src/rescript/ForTS/ForTS_SquiggleValue/ForTS_SquiggleValue_Record.res b/packages/squiggle-lang/src/rescript/ForTS/ForTS_SquiggleValue/ForTS_SquiggleValue_Record.res
index bc226f95..340abcfc 100644
--- a/packages/squiggle-lang/src/rescript/ForTS/ForTS_SquiggleValue/ForTS_SquiggleValue_Record.res
+++ b/packages/squiggle-lang/src/rescript/ForTS/ForTS_SquiggleValue/ForTS_SquiggleValue_Record.res
@@ -4,3 +4,6 @@ type squiggleValue = ForTS_SquiggleValue.squiggleValue //use
 @genType
 let getKeyValuePairs = (value: squiggleValue_Record): array<(string, squiggleValue)> =>
   ReducerInterface_InternalExpressionValue.recordToKeyValuePairs(value)
+
+@genType
+let toString = (v: squiggleValue_Record) => ReducerInterface_InternalExpressionValue.toStringMap(v)
diff --git a/packages/squiggle-lang/src/rescript/ForTS/ForTS_SquiggleValue/ForTS_SquiggleValue_Type.res b/packages/squiggle-lang/src/rescript/ForTS/ForTS_SquiggleValue/ForTS_SquiggleValue_Type.res
index d9a18bfc..1399dcf4 100644
--- a/packages/squiggle-lang/src/rescript/ForTS/ForTS_SquiggleValue/ForTS_SquiggleValue_Type.res
+++ b/packages/squiggle-lang/src/rescript/ForTS/ForTS_SquiggleValue/ForTS_SquiggleValue_Type.res
@@ -4,3 +4,7 @@ type squiggleValue = ForTS_SquiggleValue.squiggleValue //use
 @genType
 let getKeyValuePairs = (value: squiggleValue_Type): array<(string, squiggleValue)> =>
   ReducerInterface_InternalExpressionValue.recordToKeyValuePairs(value)
+
+@genType
+let toString = (value: squiggleValue_Type): string =>
+  ReducerInterface_InternalExpressionValue.toStringType(value)
diff --git a/packages/squiggle-lang/src/rescript/ReducerInterface/ReducerInterface_InternalExpressionValue.res b/packages/squiggle-lang/src/rescript/ReducerInterface/ReducerInterface_InternalExpressionValue.res
index a31b0350..00d032bf 100644
--- a/packages/squiggle-lang/src/rescript/ReducerInterface/ReducerInterface_InternalExpressionValue.res
+++ b/packages/squiggle-lang/src/rescript/ReducerInterface/ReducerInterface_InternalExpressionValue.res
@@ -41,7 +41,7 @@ type functionCall = (string, array<t>)
 
 let rec toString = aValue =>
   switch aValue {
-  | IEvArray(anArray) =>toStringArray(anArray)
+  | IEvArray(anArray) => toStringArray(anArray)
   | IEvArrayString(anArray) => toStringArrayString(anArray)
   | IEvBindings(m) => toStringBindings(m)
   | IEvBool(aBool) => toStringBool(aBool)
@@ -59,27 +59,30 @@ let rec toString = aValue =>
   | IEvTypeIdentifier(id) => toStringTypeIdentifier(id)
   | IEvVoid => toStringVoid
   }
-and toStringArray = (anArray) => {let args = anArray->Js.Array2.map(each => toString(each))->Js.Array2.toString
-      `[${args}]`}
-and toStringArrayString = (anArray) =>  {
-      let args = anArray->Js.Array2.toString
-      `[${args}]`
-    }
-and toStringBindings = (m) => `@${m->toStringNameSpace}`
-and toStringBool = (aBool) => Js.String.make(aBool)
-and toStringCall = (fName) => `:${fName}` 
-and toStringDate = (date) => DateTime.Date.toString(date)
-and toStringDeclaration = (d) => Declaration.toString(d, r => toString(IEvLambda(r)))
-and toStringDistribution = (dist) => GenericDist.toString(dist)
-and toStringLambda = (lambdaValue) => `lambda(${Js.Array2.toString(lambdaValue.parameters)}=>internal code)`
-and toStringFunction = (lambdaValue) => `function(${Js.Array2.toString(lambdaValue.parameters)})`
-and toStringNumber = (aNumber) => Js.String.make(aNumber)
-and toStringRecord = (aMap) => aMap->toStringMap
-and toStringString = (aString) => `'${aString}'`
-and toStringSymbol = (aString) => `:${aString}`
-and toStringTimeDuration = (t) => DateTime.Duration.toString(t)
-and toStringType = (aMap) => aMap->toStringMap
-and toStringTypeIdentifier = (id) => `#${id}`
+and toStringArray = anArray => {
+  let args = anArray->Js.Array2.map(each => toString(each))->Js.Array2.toString
+  `[${args}]`
+}
+and toStringArrayString = anArray => {
+  let args = anArray->Js.Array2.toString
+  `[${args}]`
+}
+and toStringBindings = m => `@${m->toStringNameSpace}`
+and toStringBool = aBool => Js.String.make(aBool)
+and toStringCall = fName => `:${fName}`
+and toStringDate = date => DateTime.Date.toString(date)
+and toStringDeclaration = d => Declaration.toString(d, r => toString(IEvLambda(r)))
+and toStringDistribution = dist => GenericDist.toString(dist)
+and toStringLambda = lambdaValue =>
+  `lambda(${Js.Array2.toString(lambdaValue.parameters)}=>internal code)`
+and toStringFunction = lambdaValue => `function(${Js.Array2.toString(lambdaValue.parameters)})`
+and toStringNumber = aNumber => Js.String.make(aNumber)
+and toStringRecord = aMap => aMap->toStringMap
+and toStringString = aString => `'${aString}'`
+and toStringSymbol = aString => `:${aString}`
+and toStringTimeDuration = t => DateTime.Duration.toString(t)
+and toStringType = aMap => aMap->toStringMap
+and toStringTypeIdentifier = id => `#${id}`
 and toStringVoid = `()`
 
 and toStringMap = aMap => {