Collections

Arrays, Lists

Use the libraries for extra functions on arrays and the List structure. https://github.com/purescript/purescript-arrays https://github.com/purescript/purescript-lists

Foreign-Object

For working with JS Objects as String-keyed Maps, see this library. https://github.com/purescript/purescript-foreign-object

Ordered Collections

For working with collections in general. https://github.com/purescript/purescript-ordered-collections