You can search for identifiers within the package.
in-package search v0.2.0
exception Sha1Error of string
val show_byte : Stdlib.out_channel -> bytes -> unit
val show_intarray : Stdlib.out_channel -> int array -> unit
val show_int32array : Stdlib.out_channel -> int32 array -> unit
val bytes_of_h : (int32 * int32 * int32 * int32 * int32) -> bytes
val read_int32 : bytes -> int -> int32
val (+++) : int32 -> int32 -> int32
val circular_left_shift : int -> int32 -> int32
val f : int -> int32 -> int32 -> int32 -> int32
val k : int -> int32
val pad : bytes -> bytes
val digest_block : (int32 * int32 * int32 * int32 * int32) -> bytes -> int32 * int32 * int32 * int32 * int32
val hash : string -> string