On 15/06/2016 18:03, Rustom Mody wrote:
OTOH Duff's device shows terrifyingly unstructured code with nary a goto/break
in sight
I agree, and these mostly originate in C. It's full of crude features
that should have been pensioned off decades ago, but amazingly it is
still around and highly influential!
So break also has its uses. Lets just not pretend its structured
It's a short-circuit operator that gets you to the end of the current
loop block.
There's one here too:
if a:
b
c
else:
d
It's called 'else' and is unconditional (when you finish executing the
'c' line, you then skip to the end of the next block).
This is another short-circuit operator:
if a and b(c):
d
e
(I assume Python has short-circuit evaluation; if not then plenty of
languages do). When a is False, the b(c) function call is skipped.)
If that's not enough, then 'return' in most languages will let you
return early from a routine, skipping the rest of the function.
--
Bartc
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