Sometime, I use it to implement 'switch': 
SWITCH: {
   if (...) { ..... ; last SWITCH }
   elsif (...) { ..... ; last SWITCH }
   elsif (...) { ..... ; last SWITCH }
}

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In reply to Re: What's the point of a labeled block without a loop? by badaiaqrandista
in thread What's the point of a labeled block without a loop? by JohnMG

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