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The classes IntSet and StringSet
A set of int and a set of string are very similar
set.cs
The class IntSet.
app.cs
A client of IntSet.
output
Output from the IntSet client program.
set.cs
The class StringSet.
app.cs
A client of StringSet.
output
Output from the IntSet client program.
It is tedious to make a maintain both of these classes separately