Struct rustc_trait_selection::traits::DerivedObligationCause

source · [−]
pub struct DerivedObligationCause<'tcx> {
    pub parent_trait_ref: Binder<TraitRef>,
    pub parent_code: Rc<ObligationCauseCode>,
}

Fields

parent_trait_ref: Binder<TraitRef>

The trait reference of the parent obligation that led to the current obligation. Note that only trait obligations lead to derived obligations, so we just store the trait reference here directly.

parent_code: Rc<ObligationCauseCode>

The parent trait had this cause.

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The type returned in the event of a conversion error.

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Layout

Note: Most layout information is completely unstable and may even differ between compilations. The only exception is types with certain repr(...) attributes. Please see the Rust Reference’s “Type Layout” chapter for details on type layout guarantees.

Size: 32 bytes