mirror of https://github.com/rust-lang/rust
17 lines
413 B
Rust
17 lines
413 B
Rust
// from rfc2005 test suite
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// Verify the binding mode shifts - only when no `&` are auto-dereferenced is the
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// final default binding mode mutable.
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fn main() {
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let Some(n): &mut Option<i32> = &&Some(5i32) else { return }; //~ ERROR mismatched types
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*n += 1;
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let _ = n;
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let Some(n): &mut Option<i32> = &&mut Some(5i32) else { return }; //~ ERROR mismatched types
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*n += 1;
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let _ = n;
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}
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