38 lines
778 B
Rust
38 lines
778 B
Rust
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//@ known-bug: #98322
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#![feature(generic_const_exprs)]
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// Main function seems irrelevant
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fn main() {}
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// Constant must be provided via an associated constant in a trait
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pub trait ConstTrait {
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const ASSOC_CONST: usize;
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}
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// For some reason I find it's necessary to have an implementation of this trait that recurses
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pub trait OtherTrait
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{
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fn comm(self);
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}
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// There must be a blanket impl here
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impl<T> OtherTrait for T where
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T: ConstTrait,
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[();T::ASSOC_CONST]: Sized,
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{
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fn comm(self) {
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todo!()
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}
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}
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// The struct must be recursive
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pub struct RecursiveStruct(Box<RecursiveStruct>);
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// This implementation must exist, and it must recurse into its child
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impl OtherTrait for RecursiveStruct {
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fn comm(self) {
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(self.0).comm();
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}
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}
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