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Null(): Test for Unbound Thread

empty = Null(t)
      int empty
      Thread<R> t
empty = Null(t)
      int empty
      Threadn<R, A_1, ..., A_n> t

Specification: Returns 1 if t is not bound to any thread and 1 else.

Complexity: O(1).


Wolfgang.Schreiner@risc.uni-linz.ac.at
Id: main.tex,v 1.10 1996/04/04 11:45:47 schreine Exp

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