Hartmut Holzgraefe wrote:
Ilya Sher wrote:
It looks like using "goto" to me. Messy.
That's probably the reason it is not allowed.
Or maybe other people like myself failed to
understand how it is really useful. Real example
from you would help here.
it's a valid performance trick in C
Thanks for the info.
http://www.jargon.net/jargonfile/d/Duffsdevice.html
I still fail to understand how that is useful.
Please, explain me. _Real_ example is welcome.
The example there just puts into *to one item
referenced by *from with offset count.
(Correct me if I'm wrong)
Assuming *to will be replaced with *to++
it will be plain memcpy() without any "interesting"
functionality.
(Again, correct me if I'm wrong)
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