val int64_to_int : int64 -> int optionval int64_to_int_exn : string -> int64 -> intval civil_from_days : int64 -> int * int * intval string_of_instant_millis : int64 -> stringval list_equal_by : ('a -> 'a -> bool) -> 'a list -> 'a list -> boolval split_keyword : string -> string * stringval compare_list_with : ('a -> 'a -> int) -> 'a list -> 'a list -> intval compare_option_with : ('a -> 'a -> int) -> 'a option -> 'a option -> intval first_nonzero : int list -> intval uuid_canonicalize : string -> string