Enum rustc::mir::Operand [−][src]
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These are values that can appear inside an rvalue (or an index place). They are intentionally limited to prevent rvalues from being nested in one another.
Variants
Copy(Place<'tcx>)
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Copy: The value must be available for use afterwards.
This implies that the type of the place must be Copy
; this is true
by construction during build, but also checked by the MIR type checker.
Move(Place<'tcx>)
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Move: The value (including old borrows of it) will not be used again.
Safe for values of all types (modulo future developments towards ?Move
).
Correct usage patterns are enforced by the borrow checker for safe code.
Copy
may be converted to Move
to enable "last-use" optimizations.
Constant(Box<Constant<'tcx>>)
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Methods
impl<'tcx> Operand<'tcx>
[src]
impl<'tcx> Operand<'tcx>
pub fn ty<'a, 'gcx, D>(
&self,
local_decls: &D,
tcx: TyCtxt<'a, 'gcx, 'tcx>
) -> Ty<'tcx> where
D: HasLocalDecls<'tcx>,
[src]
pub fn ty<'a, 'gcx, D>(
&self,
local_decls: &D,
tcx: TyCtxt<'a, 'gcx, 'tcx>
) -> Ty<'tcx> where
D: HasLocalDecls<'tcx>,
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impl<'tcx> Operand<'tcx>
[src]
impl<'tcx> Operand<'tcx>
pub fn function_handle<'a>(
tcx: TyCtxt<'a, 'tcx, 'tcx>,
def_id: DefId,
substs: &'tcx Substs<'tcx>,
span: Span
) -> Self
[src]
pub fn function_handle<'a>(
tcx: TyCtxt<'a, 'tcx, 'tcx>,
def_id: DefId,
substs: &'tcx Substs<'tcx>,
span: Span
) -> Self
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pub fn to_copy(&self) -> Self
[src]
pub fn to_copy(&self) -> Self
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Trait Implementations
impl<'a, 'gcx> HashStable<StableHashingContext<'a>> for Operand<'gcx>
[src]
impl<'a, 'gcx> HashStable<StableHashingContext<'a>> for Operand<'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 Operand<'tcx>
[src]
impl<'tcx> Clone for Operand<'tcx>
fn clone(&self) -> Operand<'tcx>
[src]
fn clone(&self) -> Operand<'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 Operand<'tcx>
[src]
impl<'tcx> PartialEq for Operand<'tcx>
fn eq(&self, other: &Operand<'tcx>) -> bool
[src]
fn eq(&self, other: &Operand<'tcx>) -> bool
This method tests for self
and other
values to be equal, and is used by ==
. Read more
fn ne(&self, other: &Operand<'tcx>) -> bool
[src]
fn ne(&self, other: &Operand<'tcx>) -> bool
This method tests for !=
.
impl<'tcx> Encodable for Operand<'tcx>
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impl<'tcx> Encodable for Operand<'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 Operand<'tcx>
[src]
impl<'tcx> Decodable for Operand<'tcx>
fn decode<__D: Decoder>(d: &mut __D) -> Result<Operand<'tcx>, __D::Error>
[src]
fn decode<__D: Decoder>(d: &mut __D) -> Result<Operand<'tcx>, __D::Error>
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impl<'tcx> Debug for Operand<'tcx>
[src]
impl<'tcx> Debug for Operand<'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 Operand<'tcx>
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impl<'tcx> TypeFoldable<'tcx> for Operand<'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
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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
.