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20 lines
534 B
Rust
20 lines
534 B
Rust
#![feature(generic_const_exprs)]
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#![allow(incomplete_features)]
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// The goal is to get an unevaluated const `ct` with a `Ty::Infer(TyVar(_#1t)` subst.
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//
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// If we are then able to infer `ty::Infer(TyVar(_#1t) := Ty<ct>` we introduced an
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// artificial inference cycle.
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fn bind<T>() -> (T, [u8; 6 + 1]) {
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todo!()
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}
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fn main() {
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let (mut t, foo) = bind();
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// `t` is `ty::Infer(TyVar(_#1t))`
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// `foo` contains `ty::Infer(TyVar(_#1t))` in its substs
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t = foo;
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//~^ ERROR mismatched types
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//~| NOTE cyclic type
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}
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