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25 lines
483 B
Rust
25 lines
483 B
Rust
//! Test that we can evaluate nested obligations when invoking methods on recursive calls on
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//! an RPIT.
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//@revisions: next current
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//@[next] compile-flags: -Znext-solver
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//@[current] check-pass
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pub trait Parser<E> {
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fn parse(&self) -> E;
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}
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impl<E, T: Fn() -> E> Parser<E> for T {
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fn parse(&self) -> E {
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self()
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}
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}
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pub fn recursive_fn<E>() -> impl Parser<E> {
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move || recursive_fn().parse()
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//[next]~^ ERROR: type annotations needed
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}
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fn main() {}
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