What is the possible code that can be used to return to primary while?

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arwa
arwa 2016-12-23
评论： Image Analyst 2016-12-23
hi, I have this code ;
while(true) % primary while(step 1)
while(true)
if (condition)
statement
...
statement
continue
end
end
while(true)
if (condition)
statement
...
statement
(??) % Here, I want to return to primary while (i.e step 1)
else
end
end
What is the possible code that can be used at (??) mark?

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回答（1 个）

Les Beckham
Les Beckham 2016-12-23
Use 'break'
  2 个评论
Image Analyst
Image Analyst 2016-12-23
but that won't fix your second while. That loop will never exist because you don't have a break in it, so you'll never even get to the third while. A "continue" merely tosses control to the bottom of the while loop but let's it continue, forever in your case. You should always have a failsafe in your loop conditions to prevent infinite loops.

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