pub struct ProjectionTy<'tcx> {
pub substs: &'tcx Substs<'tcx>,
pub item_def_id: DefId,
}
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Represents the projection of an associated type. In explicit UFCS
form this would be written <T as Trait<..>>::N
.
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The parameters of the associated item.
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The DefId of the TraitItem for the associated type N.
Note that this is not the DefId of the TraitRef containing this
associated type, which is in tcx.associated_item(item_def_id).container.
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Construct a ProjectionTy by searching the trait from trait_ref for the
associated item named item_name.
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Extracts the underlying trait reference from this projection.
For example, if this is a projection of <T as Iterator>::Item
,
then this function would return a T: Iterator
trait reference.
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🔬 This is a nightly-only experimental API. (rustc_private
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🔬 This is a nightly-only experimental API. (rustc_private
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"Free" regions in this context means that it has any region that is not (a) erased or (b) late-bound. Read more
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True if there any any un-erased free regions.
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Indicates whether this value references only 'global' types/lifetimes that are the same regardless of what fn we are in. This is used for caching. Errs on the side of returning false. Read more
Performs copy-assignment from source
. Read more
This method tests for self
and other
values to be equal, and is used by ==
. Read more
This method tests for !=
.
Feeds this value into the given [Hasher
]. Read more
Feeds a slice of this type into the given [Hasher
]. Read more
Formats the value using the given formatter. Read more
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🔬 This is a nightly-only experimental API. (rustc_private
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🔬 This is a nightly-only experimental API. (rustc_private
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Formats the value using the given formatter. Read more