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package jhupllib
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exception Not_yet_implemented of string

This exception should be raised when code has not yet been implemented.

exception Invariant_failure of string

This exception should be raised if a defensive runtime check determines that an invariant has been violated.

val natural_compare_seq : (unit -> int) list -> int
val uniq_enum : ('a -> 'a -> int) -> 'a Batteries.Enum.t -> 'a Batteries.Enum.t
val cartesian_product_of_list : 'a list list -> 'a list list

Expands a list of lists as a Cartesian product. That is, the list

[[1;2;3];[4];[5;6]]

would yield the list

[[1;4;5];[2;4;5];[3;4;5];[1;4;6];[2;4;6];[3;4;6]]

the first element being the result of selecting 1, 4, and 5 from the original three lists.

val pairwise_enum_fold : ('a -> 'a -> 'b) -> 'a Batteries.Enum.t -> 'b Batteries.Enum.t

A pairwise pseudo-map over an enum. For each successive pair of values in the enum, the map function is called. So,

pairwise_enum_fold f (List.enum [1;2;3;4])

is equivalent to

List.enum [f 1 2; f 2 3; f 3 4]

This is equivalent to cloning the enum, discarding the first element from the clone, zipping the resulting enums, and mapping over the result.

val set_file_contents : string -> string -> unit

Sets the contents of the indicated file to the provided string.