84422238   
   From: miles@gnu.org   
      
   Gene Bushuyev  writes:   
   > But I would also suggest that the constructor might not need to have   
   > the burden of doing those calculations in the first place, it's more   
   > common for a constructor to initialize its members directly from   
   > constructor parameters:   
      
   Certainly it "need not", and indeed it's very common to directly   
   initialize members from the constructor arguments -- but it's most   
   certainly not universal nor always desirable.   
      
   There's nothing wrong [conceptually] with doing non-trivial   
   calculations in the constructor, and often doing so provides the   
   cleanest and most natural interface (the shortcomings of initializers,   
   of course, are an implementation issue).   
      
   -miles   
      
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