mirror of https://github.com/rust-lang/rust
18 lines
359 B
Rust
18 lines
359 B
Rust
#[derive(Debug)]
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enum Foo {
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Done,
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Nested(Option<&'static Foo>),
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}
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fn walk(mut value: &Foo) {
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loop {
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println!("{:?}", value);
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&Foo::Nested(Some(value)) = value else { break }; //~ ERROR invalid left-hand side of assignment
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//~^ERROR <assignment> ... else { ... } is not allowed
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}
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}
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fn main() {
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walk(&Foo::Done);
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}
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