[−][src]Trait rustc_ap_rustc_data_structures::obligation_forest::ForestObligation

pub trait ForestObligation: Clone + Debug {
    type CacheKey: Clone + Hash + Eq + Debug;
    fn as_cache_key(&self) -> Self::CacheKey;
}

Associated Types

`type CacheKey: Clone + Hash + Eq + Debug`

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Required methods

`fn as_cache_key(&self) -> Self::CacheKey`

Converts this ForestObligation suitable for use as a cache key. If two distinct ForestObligationss return the same cache key, then it must be sound to use the result of processing one obligation (e.g. success for error) for the other obligation

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Implementors

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