src/Tools/Metis/src/Heap.sig
author wenzelm
Thu, 02 Jul 2009 17:34:14 +0200
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child 39353 7f11d833d65b
permissions -rw-r--r--
renamed NamedThmsFun to Named_Thms; simplified/unified names of instances of Named_Thms;
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(* ========================================================================= *)
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(* A HEAP DATATYPE FOR ML                                                    *)
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(* Copyright (c) 2001-2006 Joe Hurd, distributed under the BSD License *)
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(* ========================================================================= *)
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signature Heap =
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sig
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type 'a heap
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val new : ('a * 'a -> order) -> 'a heap
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val add : 'a heap -> 'a -> 'a heap
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val null : 'a heap -> bool
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val top : 'a heap -> 'a  (* raises Empty *)
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val remove : 'a heap -> 'a * 'a heap  (* raises Empty *)
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val size : 'a heap -> int
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val app : ('a -> unit) -> 'a heap -> unit
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val toList : 'a heap -> 'a list
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val toStream : 'a heap -> 'a Stream.stream
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val toString : 'a heap -> string
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end