35 lines
590 B
Rust
35 lines
590 B
Rust
//@ run-pass
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/*
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#5008 cast to &Trait causes code to segfault on method call
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It fixes itself if the &Trait is changed to @Trait.
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*/
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trait Debuggable {
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fn debug_name(&self) -> String;
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}
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#[derive(Clone)]
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struct Thing {
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name: String,
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}
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impl Thing {
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fn new() -> Thing { Thing { name: "dummy".to_string() } }
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}
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impl Debuggable for Thing {
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fn debug_name(&self) -> String { self.name.clone() }
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}
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fn print_name(x: &dyn Debuggable)
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{
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println!("debug_name = {}", x.debug_name());
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}
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pub fn main() {
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let thing = Thing::new();
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print_name(&thing as &dyn Debuggable);
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}
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