Fix compiler error and clarify instructions
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@ -67,10 +67,10 @@ mod tests {
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#[test]
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#[test]
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fn owned_mutation() -> Result<(), &'static str> {
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fn owned_mutation() -> Result<(), &'static str> {
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// Of course this is also the case if a mutation does occur. In this
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// Of course this is also the case if a mutation does occur. In this
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// case the call to `to_mut()` returns a reference to the same data as
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// case the call to `to_mut()` in the abs_all() function returns a
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// before.
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// reference to the same data as before.
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let slice = vec![-1, 0, 1];
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let slice = vec![-1, 0, 1];
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let mut input = Cow::from(slice).to_mut();
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let mut input = Cow::from(slice);
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match abs_all(&mut input) {
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match abs_all(&mut input) {
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// TODO
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// TODO
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}
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}
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