If you were writing a function with a fast path and a slow path, which style would you use to write the function?
Style A:
if can_use_fast_path:
return "fast path result"
# do slow stuff
return "slow path result"
Style B:
result = "fast path result"
if !can_use_fast_path:
# do slow stuff
result = "slow path result"
return result
Assume that the fast path is a single expression, and the slow path
is at least tens of lines of code. Why would you pick one style over
the other? Would you use a different idiom in different languages? If
so, why?
Discuss. :)
Hugo.
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