[][src]Struct rustc::ty::context::TypeckTables

pub struct TypeckTables<'tcx> {
    pub local_id_root: Option<DefId>,
    type_dependent_defs: ItemLocalMap<Def>,
    field_indices: ItemLocalMap<usize>,
    user_provided_tys: ItemLocalMap<CanonicalTy<'tcx>>,
    node_types: ItemLocalMap<Ty<'tcx>>,
    node_substs: ItemLocalMap<&'tcx Substs<'tcx>>,
    user_substs: ItemLocalMap<CanonicalSubsts<'tcx>>,
    adjustments: ItemLocalMap<Vec<Adjustment<'tcx>>>,
    pat_binding_modes: ItemLocalMap<BindingMode>,
    pat_adjustments: ItemLocalMap<Vec<Ty<'tcx>>>,
    pub upvar_capture_map: UpvarCaptureMap<'tcx>,
    closure_kind_origins: ItemLocalMap<(Span, Name)>,
    liberated_fn_sigs: ItemLocalMap<FnSig<'tcx>>,
    fru_field_types: ItemLocalMap<Vec<Ty<'tcx>>>,
    cast_kinds: ItemLocalMap<CastKind>,
    pub used_trait_imports: Lrc<DefIdSet>,
    pub tainted_by_errors: bool,
    pub free_region_map: FreeRegionMap<'tcx>,
    pub concrete_existential_types: FxHashMap<DefId, Ty<'tcx>>,
}
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Fields

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The HirId::owner all ItemLocalIds in this table are relative to.

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Resolved definitions for <T>::X associated paths and method calls, including those of overloaded operators.

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Resolved field indices for field accesses in expressions (S { field }, obj.field) or patterns (S { field }). The index is often useful by itself, but to learn more about the field you also need definition of the variant to which the field belongs, but it may not exist if it's a tuple field (tuple.0).

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Stores the canonicalized types provided by the user. See also AscribeUserType statement in MIR.

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Stores the types for various nodes in the AST. Note that this table is not guaranteed to be populated until after typeck. See typeck::check::fn_ctxt for details.

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Stores the type parameters which were substituted to obtain the type of this node. This only applies to nodes that refer to entities parameterized by type parameters, such as generic fns, types, or other items.

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Stores the substitutions that the user explicitly gave (if any) attached to id. These will not include any inferred values. The canonical form is used to capture things like _ or other unspecified values.

Example:

If the user wrote foo.collect::<Vec<_>>(), then the canonical substitutions would include only for<X> { Vec<X> }.

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Stores the actual binding mode for all instances of hir::BindingAnnotation.

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Stores the types which were implicitly dereferenced in pattern binding modes for later usage in HAIR lowering. For example,

match &&Some(5i32) {
    Some(n) => {},
    _ => {},
}

leads to a vec![&&Option<i32>, &Option<i32>]. Empty vectors are not stored.

See: https://github.com/rust-lang/rfcs/blob/master/text/2005-match-ergonomics.md#definitions

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Borrows

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Records the reasons that we picked the kind of each closure; not all closures are present in the map.

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For each fn, records the "liberated" types of its arguments and return type. Liberated means that all bound regions (including late-bound regions) are replaced with free equivalents. This table is not used in codegen (since regions are erased there) and hence is not serialized to metadata.

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For each FRU expression, record the normalized types of the fields of the struct - this is needed because it is non-trivial to normalize while preserving regions. This table is used only in MIR construction and hence is not serialized to metadata.

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Maps a cast expression to its kind. This is keyed on the from expression of the cast, not the cast itself.

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Set of trait imports actually used in the method resolution. This is used for warning unused imports. During type checking, this Lrc should not be cloned: it must have a ref-count of 1 so that we can insert things into the set mutably.

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If any errors occurred while type-checking this body, this field will be set to true.

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Stores the free-region relationships that were deduced from its where clauses and parameter types. These are then read-again by borrowck.

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All the existential types that are restricted to concrete types by this function

Methods

impl<'tcx> TypeckTables<'tcx>
[src]

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Returns the final resolution of a QPath in an Expr or Pat node.

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Important traits for &'a [u8]

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Returns the type of expr, considering any Adjustment entry recorded for that expression.

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Trait Implementations

impl<'tcx> Encodable for TypeckTables<'tcx>
[src]

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impl<'tcx> Decodable for TypeckTables<'tcx>
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impl<'tcx> Debug for TypeckTables<'tcx>
[src]

Formats the value using the given formatter. Read more

impl<'a, 'gcx> HashStable<StableHashingContext<'a>> for TypeckTables<'gcx>
[src]

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Auto Trait Implementations

impl<'tcx> !Send for TypeckTables<'tcx>

impl<'tcx> !Sync for TypeckTables<'tcx>

Blanket Implementations

impl<T> MaybeResult for T
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impl<'a, T> Captures for T where
    T: ?Sized
[src]

impl<T> From for T
[src]

Performs the conversion.

impl<T, U> Into for T where
    U: From<T>, 
[src]

Performs the conversion.

impl<T, U> TryFrom for T where
    T: From<U>, 
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The type returned in the event of a conversion error.

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Performs the conversion.

impl<T> Borrow for T where
    T: ?Sized
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Important traits for &'a mut R

Immutably borrows from an owned value. Read more

impl<T, U> TryInto for T where
    U: TryFrom<T>, 
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The type returned in the event of a conversion error.

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Performs the conversion.

impl<T> BorrowMut for T where
    T: ?Sized
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Important traits for &'a mut R

Mutably borrows from an owned value. Read more

impl<T> Any for T where
    T: 'static + ?Sized
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this method will likely be replaced by an associated static

Gets the TypeId of self. Read more

impl<T> Encodable for T where
    T: UseSpecializedEncodable + ?Sized
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impl<T> Decodable for T where
    T: UseSpecializedDecodable
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impl<E> SpecializationError for E
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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

impl<T> Erased for T
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impl<T> Send for T where
    T: ?Sized
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impl<T> Sync for T where
    T: ?Sized
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impl<T> Erased for T