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Possible Duplicate:
What does “for(;;)” do in C#?

what does 

for (; ; )
{
  // do something
}

mean in c#?

Isn't there supposed to be (initializer, condition, iterator) ?

I saw an example in a book that uses nothing inside the contents of the for loop.

Community
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Maya
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5 Answers5

9

That would create an unconditional (infinite) loop which has no initializer or iterator.

same as 

while(true)
{
...
}

You'll have to use break; to get out of the loop.

Bala R
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1

At warning level 4 compilers complain about conditional expressions that always evaluate to true, such as while(1) or while(true).

So a common way to suppress the compiler warnings for that is to use for (;;) blocks.

(Im not saying its a good practice), but if you have to create code that compiles at warning level 4 its a habit to use for (;;) instead of while (true).

Ivan Bohannon
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0

Its just a loop that will run continuously.

Daniel A. White
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Like the other answers say, it's a loop that runs continuously until you break it with break;

It's usefull if you want to break on a condition that you create within the loop but you have no access to yet at the definition of the loop.

Bazzz
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0

Yes, that's how an infinite loop is defined using a for statement.

You could read that as:

for (bool run = true; run == true; run &= true)
{
    // do something
}

See what the C# Reference has to say about that

Gustavo Mori
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