Exception speed handling

[Tomas Camin]

Does exception handling slow down app?

Which is faster?
Function Get(ts as string) as string
return t_dict.Value(ts)

exception KeyNotFoundException
  return "default"
end sub

or:

Function Get(ts as string) as string
if t_dict.Haskey(ts) then
   return t_dict.Value(ts)
else
   return "default"
end if
end sub

Sometimes I pass a key that is not contained in the dictionary and I  
return a default value.


Thanks,
Tomas

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