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GeneralRe: Programming Question Pin
Nagy Vilmos16-Jan-13 23:15
memberNagy Vilmos16-Jan-13 23:15 
GeneralRe: Programming Question Pin
M Towler17-Jan-13 23:18
memberM Towler17-Jan-13 23:18 
GeneralRe: Programming Question Pin
greldak17-Jan-13 23:32
membergreldak17-Jan-13 23:32 
GeneralRe: Programming Question Pin
M Towler18-Jan-13 1:27
memberM Towler18-Jan-13 1:27 
I feel that level of commenting or descriptive naming would be breaking encapsulation, by exposing the implementation of GetTaxRate. I will go further and say that it would be repeating some of the documentation of GetTaxRate, so fails DRY. This piece of code is simply doing a calculation, so it calls a function to get the rate. It does not really need to have knowledge of where the rate came from to do its task, so it is best not to give it this knowledge. Having minimal information in this function means it will not become out of date when the implementation of GetTaxRate changes, such as to add a local cache of the value obtained from the service, using a database of rates or some other alteration.

In summary, what I am really saying is that comments of this type raise the cost of maintenance, as each later change will have to find and change multiple comments in addition to the code itself, or else risk misleading future maintainers.
GeneralRe: Programming Question Pin
liordino18-Jan-13 2:29
memberliordino18-Jan-13 2:29 
GeneralRe: Programming Question Pin
patbob18-Jan-13 6:53
memberpatbob18-Jan-13 6:53 
GeneralRe: Programming Question Pin
JackDingler18-Jan-13 7:52
memberJackDingler18-Jan-13 7:52 
GeneralRe: Programming Question Pin
CHill6018-Jan-13 2:28
memberCHill6018-Jan-13 2:28 
GeneralRe: Programming Question Pin
John Atten18-Jan-13 3:32
memberJohn Atten18-Jan-13 3:32 
GeneralRe: Programming Question Pin
jrscherer18-Jan-13 5:08
memberjrscherer18-Jan-13 5:08 

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