diff --git a/packages/squiggle-lang/.prettierignore b/packages/squiggle-lang/.prettierignore
index 46ac9925..cc0cf959 100644
--- a/packages/squiggle-lang/.prettierignore
+++ b/packages/squiggle-lang/.prettierignore
@@ -3,6 +3,6 @@ lib
 *.bs.js
 *.gen.tsx
 .nyc_output/
-coverage/
+_coverage/
 .cache/
 Reducer_Peggy_GeneratedParser.js
diff --git a/packages/squiggle-lang/src/rescript/Distributions/SampleSetDist/SampleSetDist.res b/packages/squiggle-lang/src/rescript/Distributions/SampleSetDist/SampleSetDist.res
index 597319b3..bfbaa795 100644
--- a/packages/squiggle-lang/src/rescript/Distributions/SampleSetDist/SampleSetDist.res
+++ b/packages/squiggle-lang/src/rescript/Distributions/SampleSetDist/SampleSetDist.res
@@ -22,10 +22,10 @@ module Error = {
   let fromOperationError = e => OperationError(e)
 
   let toString = (err: sampleSetError) => {
-    switch(err){
-      | TooFewSamples => "Too few samples when constructing sample set"
-      | NonNumericInput(err) => `Found a non-number in input: ${err}`
-      | OperationError(err) => Operation.Error.toString(err)
+    switch err {
+    | TooFewSamples => "Too few samples when constructing sample set"
+    | NonNumericInput(err) => `Found a non-number in input: ${err}`
+    | OperationError(err) => Operation.Error.toString(err)
     }
   }
 }
diff --git a/packages/squiggle-lang/src/rescript/Utility/E.res b/packages/squiggle-lang/src/rescript/Utility/E.res
index c199b299..2c45a8b2 100644
--- a/packages/squiggle-lang/src/rescript/Utility/E.res
+++ b/packages/squiggle-lang/src/rescript/Utility/E.res
@@ -572,9 +572,7 @@ module A = {
 
   let zip = Belt.Array.zip
   let zip3 = (a, b, c) =>
-    Belt.Array.zip(a, b)
-    -> Belt.Array.zip(c)
-    -> Belt.Array.map((((v1, v2), v3)) => (v1, v2, v3))
+    Belt.Array.zip(a, b)->Belt.Array.zip(c)->Belt.Array.map((((v1, v2), v3)) => (v1, v2, v3))
   // This zips while taking the longest elements of each array.
   let zipMaxLength = (array1, array2) => {
     let maxLength = Int.max(length(array1), length(array2))