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error: unnecessary use of `splitn`
--> $DIR/ice-8250.rs:2:13
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LL | let _ = s[1..].splitn(2, '.').next()?;
| ^^^^^^^^^^^^^^^^^^^^^ help: try this: `s[1..].split('.')`
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= note: `-D clippy::needless-splitn` implied by `-D warnings`
error: aborting due to previous error
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