23 lines
315 B
Rust
23 lines
315 B
Rust
#![allow(dead_code)]
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trait Deref {
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fn get(self) -> isize;
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}
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impl<'a> Deref for &'a isize {
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fn get(self) -> isize {
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*self
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}
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}
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fn with<R:Deref, F>(f: F) -> isize where F: FnOnce(&isize) -> R {
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f(&3).get()
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}
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fn return_it() -> isize {
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with(|o| o) //~ ERROR cannot infer
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}
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fn main() {
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}
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