mirror of https://github.com/rust-lang/rust
19 lines
490 B
Rust
19 lines
490 B
Rust
use std::cell::RefCell;
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pub struct MessageListeners<'a> {
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listeners: RefCell<Vec<Box<dyn FnMut(()) + 'a>>>,
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}
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pub trait MessageListenersInterface {
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fn listeners<'c>(&'c self) -> &'c MessageListeners<'c>;
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}
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impl<'a> MessageListenersInterface for MessageListeners<'a> {
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fn listeners<'b>(&'b self) -> &'a MessageListeners<'b> {
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//~^ ERROR in type `&'a MessageListeners<'_>`, reference has a longer lifetime than the data it references
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self
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}
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}
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fn main() {}
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