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33 lines
1 KiB
OCaml
33 lines
1 KiB
OCaml
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(** {2 Transient iterators, that abstract on a finite sequence of elements. *)
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type 'a sequence
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(** Sequence abstract iterator type *)
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(** {2 Build a sequence} *)
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val from_iter : (('a -> unit) -> unit) -> 'a sequence
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(** Build a sequence from a iter function *)
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(** {2 Use a sequence} *)
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val iter : ('a -> unit) -> 'a sequence -> unit
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(** Consume the sequence, passing all its arguments to the function *)
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val fold : ('b -> 'a -> 'b) -> 'b -> 'a sequence -> 'b
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(** Fold over elements of the sequence, consuming it *)
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val map : ('a -> 'b) -> 'a sequence -> 'b sequence
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(** Map objects of the sequence into other elements, lazily *)
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val filter : ('a -> bool) -> 'a sequence -> 'a sequence
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(** Filter on elements of the sequence *)
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val concat : 'a sequence -> 'a sequence -> 'a sequence
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(** Concatenate two sequences *)
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val take : int -> 'a sequence -> 'a sequence
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(** Take at most [n] elements from the sequence *)
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val drop : int -> 'a sequence -> 'a sequence
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(** Drop the [n] first elements of the sequence *)
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