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docs: mention flatten in the options2 hint
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@ -583,8 +583,7 @@ https://doc.rust-lang.org/rust-by-example/flow_control/while_let.html
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Remember that Options can be stacked in if let and while let.
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Remember that Options can be stacked in if let and while let.
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For example: Some(Some(variable)) = variable2
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For example: Some(Some(variable)) = variable2
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Also see Option::flatten
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"""
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"""
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[[exercises]]
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[[exercises]]
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