29 lines
419 B
Rust
29 lines
419 B
Rust
trait Named {
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fn say_name(&self) -> String;
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}
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trait Bold {
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fn write_bold(&self);
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}
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impl<T: Named> Bold for T {
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fn write_bold(&self) {
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println!("!bold {}", self.say_name())
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}
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}
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struct Person {
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name: String,
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}
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impl Named for Person {
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fn say_name(&self) -> String {
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self.name.clone()
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}
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}
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fn main() {
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let p = Person{name: String::from("Jasper")};
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p.write_bold();
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}
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