23 lines
586 B
Rust
23 lines
586 B
Rust
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// run-pass
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#![feature(const_discriminant)]
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use std::mem::{discriminant, Discriminant};
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enum Test {
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A(u8),
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B,
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C { a: u8, b: u8 },
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}
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const TEST_A: Discriminant<Test> = discriminant(&Test::A(5));
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const TEST_A_OTHER: Discriminant<Test> = discriminant(&Test::A(17));
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const TEST_B: Discriminant<Test> = discriminant(&Test::B);
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fn main() {
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assert_eq!(TEST_A, TEST_A_OTHER);
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assert_eq!(TEST_A, discriminant(&Test::A(17)));
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assert_eq!(TEST_B, discriminant(&Test::B));
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assert_ne!(TEST_A, TEST_B);
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assert_ne!(TEST_B, discriminant(&Test::C { a: 42, b: 7 }));
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}
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