Enum rustc::mir::Lvalue

pub enum Lvalue<'tcx> {
    Local(Local),
    Static(Box<Static<'tcx>>),
    Projection(Box<LvalueProjection<'tcx>>),
}

🔬 This is a nightly-only experimental API. (rustc_private)

A path to a value; something that can be evaluated without changing or disturbing program state.

Variants

Local(Local)

🔬 This is a nightly-only experimental API. (rustc_private)

local variable

Static(Box<Static<'tcx>>)

🔬 This is a nightly-only experimental API. (rustc_private)

static or static mut variable

Projection(Box<LvalueProjection<'tcx>>)

🔬 This is a nightly-only experimental API. (rustc_private)

projection out of an lvalue (access a field, deref a pointer, etc)

Methods

impl<'tcx> Lvalue<'tcx>

fn ty<'a, 'gcx>(&self,
                mir: &Mir<'tcx>,
                tcx: TyCtxt<'a, 'gcx, 'tcx>)
                -> LvalueTy<'tcx>

🔬 This is a nightly-only experimental API. (rustc_private)

impl<'tcx> Lvalue<'tcx>

fn field(self, f: Field, ty: Ty<'tcx>) -> Lvalue<'tcx>

🔬 This is a nightly-only experimental API. (rustc_private)

fn deref(self) -> Lvalue<'tcx>

🔬 This is a nightly-only experimental API. (rustc_private)

fn downcast(self, adt_def: &'tcx AdtDef, variant_index: usize) -> Lvalue<'tcx>

🔬 This is a nightly-only experimental API. (rustc_private)

fn index(self, index: Operand<'tcx>) -> Lvalue<'tcx>

🔬 This is a nightly-only experimental API. (rustc_private)

fn elem(self, elem: LvalueElem<'tcx>) -> Lvalue<'tcx>

🔬 This is a nightly-only experimental API. (rustc_private)

Trait Implementations

impl<'tcx> Clone for Lvalue<'tcx>

fn clone(&self) -> Lvalue<'tcx>

Returns a copy of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl<'tcx> PartialEq for Lvalue<'tcx>

fn eq(&self, __arg_0: &Lvalue<'tcx>) -> bool

This method tests for self and other values to be equal, and is used by ==.

fn ne(&self, __arg_0: &Lvalue<'tcx>) -> bool

This method tests for !=.

impl<'tcx> Encodable for Lvalue<'tcx>

fn encode<__S: Encoder>(&self, __arg_0: &mut __S) -> Result<(), __S::Error>

🔬 This is a nightly-only experimental API. (rustc_private)

deprecated in favor of rustc-serialize on crates.io

impl<'tcx> Decodable for Lvalue<'tcx>

fn decode<__D: Decoder>(__arg_0: &mut __D) -> Result<Lvalue<'tcx>, __D::Error>

🔬 This is a nightly-only experimental API. (rustc_private)

deprecated in favor of rustc-serialize on crates.io

impl<'tcx> Debug for Lvalue<'tcx>

fn fmt(&self, fmt: &mut Formatter) -> Result

Formats the value using the given formatter.

impl<'tcx> TypeFoldable<'tcx> for Lvalue<'tcx>

fn super_fold_with<'gcx: 'tcx, F: TypeFolder<'gcx, 'tcx>>(&self,
                                                          folder: &mut F)
                                                          -> Self

🔬 This is a nightly-only experimental API. (rustc_private)

fn super_visit_with<V: TypeVisitor<'tcx>>(&self, visitor: &mut V) -> bool

🔬 This is a nightly-only experimental API. (rustc_private)

fn fold_with<'gcx: 'tcx, F: TypeFolder<'gcx, 'tcx>>(&self,
                                                    folder: &mut F)
                                                    -> Self

🔬 This is a nightly-only experimental API. (rustc_private)

fn visit_with<V: TypeVisitor<'tcx>>(&self, visitor: &mut V) -> bool

🔬 This is a nightly-only experimental API. (rustc_private)

fn has_regions_escaping_depth(&self, depth: u32) -> bool

🔬 This is a nightly-only experimental API. (rustc_private)

fn has_escaping_regions(&self) -> bool

🔬 This is a nightly-only experimental API. (rustc_private)

fn has_type_flags(&self, flags: TypeFlags) -> bool

🔬 This is a nightly-only experimental API. (rustc_private)

fn has_projection_types(&self) -> bool

🔬 This is a nightly-only experimental API. (rustc_private)

fn references_error(&self) -> bool

🔬 This is a nightly-only experimental API. (rustc_private)

fn has_param_types(&self) -> bool

🔬 This is a nightly-only experimental API. (rustc_private)

fn has_self_ty(&self) -> bool

🔬 This is a nightly-only experimental API. (rustc_private)

fn has_infer_types(&self) -> bool

🔬 This is a nightly-only experimental API. (rustc_private)

fn needs_infer(&self) -> bool

🔬 This is a nightly-only experimental API. (rustc_private)

fn needs_subst(&self) -> bool

🔬 This is a nightly-only experimental API. (rustc_private)

fn has_re_skol(&self) -> bool

🔬 This is a nightly-only experimental API. (rustc_private)

fn has_closure_types(&self) -> bool

🔬 This is a nightly-only experimental API. (rustc_private)

fn has_erasable_regions(&self) -> bool

🔬 This is a nightly-only experimental API. (rustc_private)

fn is_normalized_for_trans(&self) -> bool

🔬 This is a nightly-only experimental API. (rustc_private)

fn is_global(&self) -> bool

🔬 This is a nightly-only experimental API. (rustc_private)

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.