On Wed, 16 Feb 2011, David Scott wrote:
4. We don't want gratuitous use of "return" at the end of functions.
Why do people still do that?
Well I for one (and Jeff as well it seems) think it is good programming
practice. It makes explicit what is being returned eliminating the
possibility of mistakes and provides clarity for anyone reading the code.
You're unnecessarily adding the overhead of a function call by explicitly
calling return().
Sure it seems odd for someone coming from the C/C++/Java/etc world, but
anyone familiar with R should find code that doesn't have an explicit
return() call to be fully readable & clear.
-J
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