Standard Library
Below is the API for the OCaml standard library. It's directly copied over from the OCaml Manual, formatted to the Reason syntax and styled accordingly. The API docs are work-in-progress; we'll be polishing these gradually!
If you're targeting JavaScript, the API docs for BuckleScript includes all of below, plus JS-specific APIs.
sig type extern_flags = No_sharing | Closures | Compat_32 val to_channel : Pervasives.out_channel -> 'a -> Marshal.extern_flags list -> unit external to_bytes : 'a -> Marshal.extern_flags list -> bytes = "caml_output_value_to_string" external to_string : 'a -> Marshal.extern_flags list -> string = "caml_output_value_to_string" val to_buffer : bytes -> int -> int -> 'a -> Marshal.extern_flags list -> int val from_channel : Pervasives.in_channel -> 'a val from_bytes : bytes -> int -> 'a val from_string : string -> int -> 'a val header_size : int val data_size : bytes -> int -> int val total_size : bytes -> int -> int end