Enum rustc::middle::const_val::ConstVal

pub enum ConstVal<'tcx> {
    Float(ConstFloat),
    Integral(ConstInt),
    Str(InternedString),
    ByteStr(Rc<Vec<u8>>),
    Bool(bool),
    Function(DefId, &'tcx Substs<'tcx>),
    Struct(BTreeMap<Name, ConstVal<'tcx>>),
    Tuple(Vec<ConstVal<'tcx>>),
    Array(Vec<ConstVal<'tcx>>),
    Repeat(Box<ConstVal<'tcx>>, u64),
    Char(char),
}

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

Variants

Float(ConstFloat)

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

Integral(ConstInt)

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

Str(InternedString)

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

ByteStr(Rc<Vec<u8>>)

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

Bool(bool)

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

Function(DefId, &'tcx Substs<'tcx>)

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

Struct(BTreeMap<Name, ConstVal<'tcx>>)

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

Tuple(Vec<ConstVal<'tcx>>)

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

Array(Vec<ConstVal<'tcx>>)

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

Repeat(Box<ConstVal<'tcx>>, u64)

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

Char(char)

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

Methods

impl<'tcx> ConstVal<'tcx>

fn description(&self) -> &'static str

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

fn to_const_int(&self) -> Option<ConstInt>

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

Trait Implementations

impl<'tcx> Clone for ConstVal<'tcx>

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

Returns a copy of the value.

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

Performs copy-assignment from source.

impl<'tcx> Debug for ConstVal<'tcx>

fn fmt(&self, __arg_0: &mut Formatter) -> Result

Formats the value using the given formatter.

impl<'tcx> Hash for ConstVal<'tcx>

fn hash<__H: Hasher>(&self, __arg_0: &mut __H)

Feeds this value into the state given, updating the hasher as necessary.

fn hash_slice<H>(data: &[Self], state: &mut H) where H: Hasher

Feeds a slice of this type into the state provided.

impl<'tcx> Encodable for ConstVal<'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 ConstVal<'tcx>

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

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

deprecated in favor of rustc-serialize on crates.io

impl<'tcx> Eq for ConstVal<'tcx>

impl<'tcx> PartialEq for ConstVal<'tcx>

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

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

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

This method tests for !=.