mirror of https://github.com/rust-lang/rust
12 lines
383 B
Rust
12 lines
383 B
Rust
use std::cell::Cell;
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// const qualification is not smart enough to know about fields and always assumes that there might
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// be other fields that caused the qualification
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const FOO: &Option<Cell<usize>> = {
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let mut a = (Some(Cell::new(0)),);
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a.0 = None; // sets `qualif(a)` to `qualif(a) | qualif(None)`
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&{a.0} //~ ERROR cannot refer to interior mutable
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};
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fn main() {}
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