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21 lines
400 B
Rust
21 lines
400 B
Rust
//@ dont-require-annotations: NOTE
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#![feature(never_type)]
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enum Helper<T, U> {
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T(T, [!; 0]),
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#[allow(dead_code)]
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U(U),
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}
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fn transmute<T, U>(t: T) -> U {
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let Helper::U(u) = Helper::T(t, []);
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//~^ ERROR refutable pattern in local binding
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//~| NOTE `Helper::T(_, _)` not covered
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u
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}
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fn main() {
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println!("{:?}", transmute::<&str, (*const u8, u64)>("type safety"));
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}
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