@@ -125,8 +125,13 @@ instance categoryArr :: Category Prim.Function
125Applies a function to its argument
125Applies a function to its argument
127```purescript
127```purescript
128−length $ groupBy productCategory $ filter isInStock products =
128+length $ groupBy productCategory $ filter isInStock products
129−length (groupby productcategory (filter isinstock (products)))
129+```
134+length (groupBy productCategory (filter isInStock (products)))
132`($)` is different from [`(#)`](#-2) because it is right-infix instead of left, so
137`($)` is different from [`(#)`](#-2) because it is right-infix instead of left, so
@@ -142,8 +147,13 @@ length (groupby productcategory (filter isinstock (products)))
142Applies a function to its argument
147Applies a function to its argument
144```purescript
149```purescript
145−products # groupby productcategory # filter isinstock # length =
150+products # groupBy productCategory # filter isInStock # length
146−length (groupby productcategory (filter isinstock (products)))
151+```
156+length (groupBy productCategory (filter isInStock (products)))
149`(#)` is different from [`($)`](#-1) because it is left-infix instead of right, so
159`(#)` is different from [`($)`](#-1) because it is left-infix instead of right, so