Rust Loops
Syntax
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loop { block } // infinite loop
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while condition { block }
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while let pattern = expr { block }
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for pattern in expr { block } // expr must implement IntoIterator
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continue // jump to the end of the loop body, starting a new iteration if necessary
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break // stop the loop
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'label: loop { block }
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'label: while condition { block }
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'label: while let pattern = expr { block }
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'label: for pattern in expr { block }
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continue 'label // jump to the end of the loop body labelled label, starting a new iteration if necessary
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break 'label // stop the loop labelled label
