Struct rustc_trait_selection::traits::OverlapResult

source · [−]
pub struct OverlapResult<'tcx> {
    pub impl_header: ImplHeader<'tcx>,
    pub intercrate_ambiguity_causes: FxIndexSet<IntercrateAmbiguityCause>,
    pub involves_placeholder: bool,
}

Fields

impl_header: ImplHeader<'tcx>intercrate_ambiguity_causes: FxIndexSet<IntercrateAmbiguityCause>involves_placeholder: bool

true if the overlap might’ve been permitted before the shift to universes.

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Returns the argument unchanged.

Calls U::from(self).

That is, this conversion is whatever the implementation of From<T> for U chooses to do.

The type returned in the event of a conversion error.
Performs the conversion.
The type returned in the event of a conversion error.
Performs the conversion.

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: 120 bytes