struct Canonicalizer<'cx, 'gcx: 'tcx, 'tcx: 'cx> {
infcx: Option<&'cx InferCtxt<'cx, 'gcx, 'tcx>>,
tcx: TyCtxt<'cx, 'gcx, 'tcx>,
variables: SmallVec<[CanonicalVarInfo; 8]>,
var_values: &'cx mut SmallCanonicalVarValues<'tcx>,
indices: FxHashMap<Kind<'tcx>, CanonicalVar>,
canonicalize_region_mode: CanonicalizeRegionMode,
needs_canonical_flags: TypeFlags,
}
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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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🔬 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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🔬 This is a nightly-only experimental API. (rustc_private
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this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via Cargo.toml
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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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The main canonicalize
method, shared impl of
canonicalize_query
and canonicalize_response
.
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Creates a canonical variable replacing kind
from the input,
or returns an existing variable if kind
has already been
seen. kind
is expected to be an unbound variable (or
potentially a free region).
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Given a type variable ty_var
of the given kind, first check
if ty_var
is bound to anything; if so, canonicalize
that. Otherwise, create a new canonical variable for
ty_var
.
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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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🔬 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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🔬 This is a nightly-only experimental API. (rustc_private
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The type returned in the event of a conversion error.
🔬 This is a nightly-only experimental API. (try_from
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Immutably borrows from an owned value. Read more
type Error = <U as TryFrom<T>>::Error
🔬 This is a nightly-only experimental API. (try_from
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The type returned in the event of a conversion error.
🔬 This is a nightly-only experimental API. (try_from
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Mutably borrows from an owned value. Read more
🔬 This is a nightly-only experimental API. (get_type_id
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this method will likely be replaced by an associated static
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Create an error for a missing method specialization. Defaults to panicking with type, trait & method names. S
is the encoder/decoder state type, T
is the type being encoded/decoded, and the arguments are the names of the trait and method that should've been overridden. Read more