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On 14/08/15 08:37 PM, Mike Nelson wrote:
On 14/08/15 04:08 PM, Jonathan Goble wrote:This can be written in stock Lua without any new features by using nested if blocks: local flag = false if i == 1 or i == 2 then if i == 1 then flag = true end print(flag) else print"Unknown!" endBut now you check for the condition twice.This is easily re-written in DRY style: local flag = i==1 if flag or i==2 then print(flag) else print"Unknown!" endStill very clear and reduces the wordiness almost as much as the orif proposal. Sometimes a good style is just as good as syntactic sugar.
You assume it's a simple flag change without side effects.Add side effects and a more complicated change (a whole setup for example) and you'll easily see where my thing is better.
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