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``` error[E0507]: cannot move out of `*x` which is behind a shared reference --> $DIR/borrowck-fn-in-const-a.rs:6:16 | LL | return *x | ^^ move occurs because `*x` has type `String`, which does not implement the `Copy` trait | help: consider cloning the value if the performance cost is acceptable | LL - return *x LL + return x.clone() | ```
39 lines
1.1 KiB
Rust
39 lines
1.1 KiB
Rust
//@ run-rustfix
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pub struct LipogramCorpora {
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selections: Vec<(char, Option<String>)>,
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}
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impl LipogramCorpora {
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pub fn validate_all(&mut self) -> Result<(), char> {
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for selection in &self.selections {
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if selection.1.is_some() {
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if <Option<String> as Clone>::clone(&selection.1.clone()).unwrap().contains(selection.0) {
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//~^ ERROR cannot move out of `selection.1`
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return Err(selection.0);
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}
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}
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}
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Ok(())
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}
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}
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pub struct LipogramCorpora2 {
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selections: Vec<(char, Result<String, String>)>,
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}
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impl LipogramCorpora2 {
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pub fn validate_all(&mut self) -> Result<(), char> {
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for selection in &self.selections {
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if selection.1.is_ok() {
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if <Result<String, String> as Clone>::clone(&selection.1.clone()).unwrap().contains(selection.0) {
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//~^ ERROR cannot move out of `selection.1`
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return Err(selection.0);
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}
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}
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}
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Ok(())
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}
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}
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fn main() {}
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