F# adds a [] operator to access containers (mostly arrays and dictionnaries) and unifies arithmetic operators (no more +.). While I believe those make for a mo

F# adds a [] operator to access containers (mostly arrays and dictionnaries) and unifies arithmetic operators (no more +.). While I believe those make for a more streamlined language (I do prefer F# to Ocaml), it also means that you regularly need type signature to desambiguate things where nothing was needed in Ocaml.