37 lines
775 B
Rust
37 lines
775 B
Rust
//@ run-rustfix
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#![allow(unused_mut)]
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#![allow(dead_code)]
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use std::path::PathBuf;
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#[derive(Clone)]
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struct Container {
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things: Vec<PathBuf>,
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}
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impl Container {
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fn things(&mut self) -> &[PathBuf] {
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&self.things
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}
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}
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// contains containers
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struct ContainerContainer {
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contained: Vec<Container>,
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}
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impl ContainerContainer {
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fn contained(&self) -> &[Container] {
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&self.contained
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}
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fn all_the_things(&mut self) -> &[PathBuf] {
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let mut vec = self.contained.clone();
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let _a =
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vec.iter_mut().flat_map(|container| container.things()).cloned().collect::<Vec<PathBuf>>();
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//~^ ERROR cannot borrow `*container` as mutable, as it is behind a `&` reference
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unimplemented!();
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}
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}
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fn main() {}
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