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20 lines
349 B
Rust
20 lines
349 B
Rust
// run-pass
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// revisions: mirunsafeck thirunsafeck
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// [thirunsafeck]compile-flags: -Z thir-unsafeck
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use std::fmt;
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union U {
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a: u8
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}
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impl fmt::Display for U {
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fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
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unsafe { write!(f, "Oh hai {}", self.a) }
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}
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}
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fn main() {
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assert_eq!(U { a: 2 }.to_string(), "Oh hai 2");
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}
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