Function "modes" vs. separate functions

[Andrew Berg]

On 2011.07.29 08:57 PM, Ben Finney wrote:
> If they share a lot of code, either it *is* separable to common
> functions (in which case, implement it that way), or the “same thing”
> code is sufficiently complex that it's better to show it explicitly.
> 
> But this is all getting rather generic and abstract. What specific
> real-world examples do you have in mind?
I can't come up with any off the top of my head. I was thinking of a
general rule anyway; ultimately one decides (or at least should) how to
write code on a case-by-case basis.

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