Enum rustc::mir::Place [−][src]
pub enum Place<'tcx> { Local(Local), Static(Box<Static<'tcx>>), Promoted(Box<(Promoted, Ty<'tcx>)>), Projection(Box<PlaceProjection<'tcx>>), }
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A path to a value; something that can be evaluated without changing or disturbing program state.
Variants
Local(Local)
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local variable
Static(Box<Static<'tcx>>)
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static or static mut variable
Promoted(Box<(Promoted, Ty<'tcx>)>)
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Constant code promoted to an injected static
Projection(Box<PlaceProjection<'tcx>>)
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projection out of a place (access a field, deref a pointer, etc)
Methods
impl<'tcx> Place<'tcx>
[src]
impl<'tcx> Place<'tcx>
pub fn ty<'a, 'gcx, D>(
&self,
local_decls: &D,
tcx: TyCtxt<'a, 'gcx, 'tcx>
) -> PlaceTy<'tcx> where
D: HasLocalDecls<'tcx>,
[src]
pub fn ty<'a, 'gcx, D>(
&self,
local_decls: &D,
tcx: TyCtxt<'a, 'gcx, 'tcx>
) -> PlaceTy<'tcx> where
D: HasLocalDecls<'tcx>,
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pub fn is_upvar_field_projection<'cx, 'gcx>(
&self,
mir: &'cx Mir<'tcx>,
tcx: &TyCtxt<'cx, 'gcx, 'tcx>
) -> Option<Field>
[src]
pub fn is_upvar_field_projection<'cx, 'gcx>(
&self,
mir: &'cx Mir<'tcx>,
tcx: &TyCtxt<'cx, 'gcx, 'tcx>
) -> Option<Field>
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If this is a field projection, and the field is being projected from a closure type,
then returns the index of the field being projected. Note that this closure will always
be self
in the current MIR, because that is the only time we directly access the fields
of a closure type.
impl<'tcx> Place<'tcx>
[src]
impl<'tcx> Place<'tcx>
pub fn field(self, f: Field, ty: Ty<'tcx>) -> Place<'tcx>
[src]
pub fn field(self, f: Field, ty: Ty<'tcx>) -> Place<'tcx>
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pub fn deref(self) -> Place<'tcx>
[src]
pub fn deref(self) -> Place<'tcx>
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pub fn downcast(
self,
adt_def: &'tcx AdtDef,
variant_index: usize
) -> Place<'tcx>
[src]
pub fn downcast(
self,
adt_def: &'tcx AdtDef,
variant_index: usize
) -> Place<'tcx>
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pub fn index(self, index: Local) -> Place<'tcx>
[src]
pub fn index(self, index: Local) -> Place<'tcx>
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pub fn elem(self, elem: PlaceElem<'tcx>) -> Place<'tcx>
[src]
pub fn elem(self, elem: PlaceElem<'tcx>) -> Place<'tcx>
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Trait Implementations
impl<'a, 'gcx> HashStable<StableHashingContext<'a>> for Place<'gcx>
[src]
impl<'a, 'gcx> HashStable<StableHashingContext<'a>> for Place<'gcx>
fn hash_stable<W: StableHasherResult>(
&self,
hcx: &mut StableHashingContext<'a>,
hasher: &mut StableHasher<W>
)
[src]
fn hash_stable<W: StableHasherResult>(
&self,
hcx: &mut StableHashingContext<'a>,
hasher: &mut StableHasher<W>
)
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impl<'tcx> Clone for Place<'tcx>
[src]
impl<'tcx> Clone for Place<'tcx>
fn clone(&self) -> Place<'tcx>
[src]
fn clone(&self) -> Place<'tcx>
Returns a copy of the value. Read more
fn clone_from(&mut self, source: &Self)
1.0.0[src]
fn clone_from(&mut self, source: &Self)
Performs copy-assignment from source
. Read more
impl<'tcx> PartialEq for Place<'tcx>
[src]
impl<'tcx> PartialEq for Place<'tcx>
fn eq(&self, other: &Place<'tcx>) -> bool
[src]
fn eq(&self, other: &Place<'tcx>) -> bool
This method tests for self
and other
values to be equal, and is used by ==
. Read more
fn ne(&self, other: &Place<'tcx>) -> bool
[src]
fn ne(&self, other: &Place<'tcx>) -> bool
This method tests for !=
.
impl<'tcx> Eq for Place<'tcx>
[src]
impl<'tcx> Eq for Place<'tcx>
fn assert_receiver_is_total_eq(&self)
[src]
fn assert_receiver_is_total_eq(&self)
impl<'tcx> Hash for Place<'tcx>
[src]
impl<'tcx> Hash for Place<'tcx>
fn hash<__H: Hasher>(&self, state: &mut __H)
[src]
fn hash<__H: Hasher>(&self, state: &mut __H)
Feeds this value into the given [Hasher
]. Read more
fn hash_slice<H>(data: &[Self], state: &mut H) where
H: Hasher,
1.3.0[src]
fn hash_slice<H>(data: &[Self], state: &mut H) where
H: Hasher,
Feeds a slice of this type into the given [Hasher
]. Read more
impl<'tcx> Encodable for Place<'tcx>
[src]
impl<'tcx> Encodable for Place<'tcx>
fn encode<__S: Encoder>(&self, s: &mut __S) -> Result<(), __S::Error>
[src]
fn encode<__S: Encoder>(&self, s: &mut __S) -> Result<(), __S::Error>
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impl<'tcx> Decodable for Place<'tcx>
[src]
impl<'tcx> Decodable for Place<'tcx>
fn decode<__D: Decoder>(d: &mut __D) -> Result<Place<'tcx>, __D::Error>
[src]
fn decode<__D: Decoder>(d: &mut __D) -> Result<Place<'tcx>, __D::Error>
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impl<'tcx> Debug for Place<'tcx>
[src]
impl<'tcx> Debug for Place<'tcx>
fn fmt(&self, fmt: &mut Formatter) -> Result
[src]
fn fmt(&self, fmt: &mut Formatter) -> Result
Formats the value using the given formatter. Read more
impl<'tcx> TypeFoldable<'tcx> for Place<'tcx>
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impl<'tcx> TypeFoldable<'tcx> for Place<'tcx>
fn super_fold_with<'gcx: 'tcx, F: TypeFolder<'gcx, 'tcx>>(
&self,
folder: &mut F
) -> Self
[src]
fn super_fold_with<'gcx: 'tcx, F: TypeFolder<'gcx, 'tcx>>(
&self,
folder: &mut F
) -> Self
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fn super_visit_with<V: TypeVisitor<'tcx>>(&self, visitor: &mut V) -> bool
[src]
fn super_visit_with<V: TypeVisitor<'tcx>>(&self, visitor: &mut V) -> bool
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fn fold_with<'gcx: 'tcx, F: TypeFolder<'gcx, 'tcx>>(
&self,
folder: &mut F
) -> Self
[src]
fn fold_with<'gcx: 'tcx, F: TypeFolder<'gcx, 'tcx>>(
&self,
folder: &mut F
) -> Self
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fn visit_with<V: TypeVisitor<'tcx>>(&self, visitor: &mut V) -> bool
[src]
fn visit_with<V: TypeVisitor<'tcx>>(&self, visitor: &mut V) -> bool
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fn has_regions_bound_at_or_above(&self, binder: DebruijnIndex) -> bool
[src]
fn has_regions_bound_at_or_above(&self, binder: DebruijnIndex) -> bool
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True if self
has any late-bound regions that are either bound by binder
or bound by some binder outside of binder
. If binder
is ty::INNERMOST
, this indicates whether there are any late-bound regions that appear free. Read more
fn has_regions_bound_above(&self, binder: DebruijnIndex) -> bool
[src]
fn has_regions_bound_above(&self, binder: DebruijnIndex) -> bool
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True if this self
has any regions that escape binder
(and hence are not bound by it). Read more
fn has_escaping_regions(&self) -> bool
[src]
fn has_escaping_regions(&self) -> bool
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fn has_type_flags(&self, flags: TypeFlags) -> bool
[src]
fn has_type_flags(&self, flags: TypeFlags) -> bool
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fn has_projections(&self) -> bool
[src]
fn has_projections(&self) -> bool
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fn references_error(&self) -> bool
[src]
fn references_error(&self) -> bool
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fn has_param_types(&self) -> bool
[src]
fn has_param_types(&self) -> bool
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fn has_self_ty(&self) -> bool
[src]
fn has_self_ty(&self) -> bool
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fn has_infer_types(&self) -> bool
[src]
fn has_infer_types(&self) -> bool
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fn needs_infer(&self) -> bool
[src]
fn needs_infer(&self) -> bool
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fn has_skol(&self) -> bool
[src]
fn has_skol(&self) -> bool
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fn needs_subst(&self) -> bool
[src]
fn needs_subst(&self) -> bool
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fn has_re_skol(&self) -> bool
[src]
fn has_re_skol(&self) -> bool
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fn has_closure_types(&self) -> bool
[src]
fn has_closure_types(&self) -> bool
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fn has_free_regions(&self) -> bool
[src]
fn has_free_regions(&self) -> bool
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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
fn has_erasable_regions(&self) -> bool
[src]
fn has_erasable_regions(&self) -> bool
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True if there any any un-erased free regions.
fn is_global(&self) -> bool
[src]
fn is_global(&self) -> bool
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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. Read more
fn has_late_bound_regions(&self) -> bool
[src]
fn has_late_bound_regions(&self) -> bool
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True if there are any late-bound regions
fn visit_tys_shallow(
&self,
visit: impl FnMut(Ty<'tcx>) -> bool
) -> bool
[src]
fn visit_tys_shallow(
&self,
visit: impl FnMut(Ty<'tcx>) -> bool
) -> bool
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A visitor that does not recurse into types, works like fn walk_shallow
in Ty
.