mirror of https://github.com/rust-lang/rust
23 lines
430 B
Rust
23 lines
430 B
Rust
trait EnumSetType {
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type Repr;
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}
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enum Enum8 { }
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impl EnumSetType for Enum8 {
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type Repr = u8;
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}
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#[derive(PartialEq, Eq)]
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struct EnumSet<T: EnumSetType> {
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__enumset_underlying: T::Repr,
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}
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const CONST_SET: EnumSet<Enum8> = EnumSet { __enumset_underlying: 3 };
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fn main() {
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match CONST_SET {
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CONST_SET => { /* ok */ } //~ERROR: must implement `PartialEq`
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_ => panic!("match fell through?"),
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}
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}
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