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Ruby implements Range of T Abstract data type
Ruby implements Range of T ADT in its Range class. Elements of carrier set are represented in Range instances by recording internally type, start, and end values of range, along with an indication of whether range is exclusive or inclusive. Ruby implements all the operations above, returning nil when ADT operations are undefined. It's quite easy to see how to implement these operations given representation elements of the carrier set. Additionally Range class provides operations for accessing begin and end values defining the range that are easily accessible as they are recorded. Ultimately, Range class has an include?()operation which tests range membership by stepping through the values of the range from start value to end value when range is non-numeric. This gives slightly different results from cover?()in some cases (such as with String instances).
if two relations R and S are joined, then the non matching tuples of both R and S are ignored in
Define what an algorithm is and outline the characteristics of a good algorithm.
how to define the size of array
1) Which graph traversal uses a queue to hold vertices which are to be processed next ? 2) Which of the graph traversal is recursive by nature? 3) For a dense graph, Prim's a
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