mirror of https://github.com/rust-lang/rust
26 lines
467 B
Rust
26 lines
467 B
Rust
//@ run-pass
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union U {
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a: (u8, u8),
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b: u16,
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}
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union W {
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a: u32,
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b: f32,
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}
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fn main() {
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unsafe {
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let mut u = U { a: (1, 1) };
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assert_eq!(u.b, (1 << 8) + 1);
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u.b = (2 << 8) + 2;
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assert_eq!(u.a, (2, 2));
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let mut w = W { a: 0b0_11111111_00000000000000000000000 };
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assert_eq!(w.b, f32::INFINITY);
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w.b = f32::NEG_INFINITY;
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assert_eq!(w.a, 0b1_11111111_00000000000000000000000);
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}
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}
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