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[smlnj] View of /MLRISC/trunk/ra/ra-priqueue.sig
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View of /MLRISC/trunk/ra/ra-priqueue.sig

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Revision 651 - (download) (as text) (annotate)
Thu Jun 1 18:34:03 2000 UTC (19 years, 2 months ago) by monnier
Original Path: sml/trunk/src/MLRISC/ra/ra-priqueue.sig
File size: 355 byte(s)
bring revisions from the vendor branch to the trunk
(*
 * Interface of a fast (applicative) 
 * version of priority queue just for the register allocator
 * 
 * -- Allen
 *)
signature RA_PRIORITY_QUEUE =
sig

   type elem  
   datatype pri_queue = 
       EMPTY | TREE of elem * int * pri_queue * pri_queue

   val add   : elem * pri_queue -> pri_queue
   val merge : pri_queue * pri_queue -> pri_queue
end

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