Enum rustc_metadata::middle::const_val::ConstInt
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pub enum ConstInt { I8(i8), I16(i16), I32(i32), I64(i64), I128(i128), Isize(ConstIsize), U8(u8), U16(u16), U32(u32), U64(u64), U128(u128), Usize(ConstUsize), }
rustc_private
)Variants
I8(i8)
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)I16(i16)
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)I32(i32)
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)I64(i64)
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)I128(i128)
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)Isize(ConstIsize)
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)U8(u8)
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)U16(u16)
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)U32(u32)
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)U64(u64)
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)U128(u128)
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)Usize(ConstUsize)
rustc_private
)Methods
impl ConstInt
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fn new_unsigned(val: u128, ty: UintTy, usize_ty: UintTy) -> Option<ConstInt>
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)Creates a new unsigned ConstInt with matching type while also checking that overflow does not happen.
fn new_signed(val: i128, ty: IntTy, isize_ty: IntTy) -> Option<ConstInt>
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)Creates a new signed ConstInt with matching type while also checking that overflow does not happen.
fn new_unsigned_truncating(val: u128, ty: UintTy, usize_ty: UintTy) -> ConstInt
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)Creates a new unsigned ConstInt with matching type.
fn new_signed_truncating(val: i128, ty: IntTy, isize_ty: IntTy) -> ConstInt
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)Creates a new signed ConstInt with matching type.
fn description(&self) -> &'static str
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)Description of the type, not the value
fn to_u128_unchecked(self) -> u128
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)Erases the type and returns a u128.
This is not the same as -5i8 as u128
but as -5i8 as i128 as u128
fn to_u32(&self) -> Option<u32>
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)Converts the value to a u32
if it's in the range 0...std::u32::MAX
fn to_u64(&self) -> Option<u64>
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)Converts the value to a u64
if it's in the range 0...std::u64::MAX
fn to_u128(&self) -> Option<u128>
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)Converts the value to a u128
if it's in the range 0...std::u128::MAX
fn to_f32(self) -> f32
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)fn to_f64(self) -> f64
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)fn is_negative(&self) -> bool
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)fn try_cmp(self, rhs: ConstInt) -> Result<Ordering, ConstMathErr>
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)Compares the values if they are of the same type
fn wrap_incr(self) -> ConstInt
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)Adds 1 to the value and wraps around if the maximum for the type is reached
fn int_type(self) -> IntType
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)Trait Implementations
impl BitXor<ConstInt> for ConstInt
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type Output = Result<ConstInt, ConstMathErr>
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)fn bitxor(self, rhs: ConstInt) -> Result<ConstInt, ConstMathErr>
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)impl Hash for ConstInt
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fn hash<__H>(&self, __arg_0: &mut __H) where __H: Hasher
Feeds this value into the state given, updating the hasher as necessary.
fn hash_slice<H>(data: &[Self], state: &mut H) where H: Hasher
1.3.0
Feeds a slice of this type into the state provided.
impl Eq for ConstInt
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impl Decodable for ConstInt
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fn decode<__D>(__arg_0: &mut __D) -> Result<ConstInt, __D::Error> where __D: Decoder
🔬 This is a nightly-only experimental API. (rustc_private
)
deprecated in favor of rustc-serialize on crates.io
impl PartialOrd<ConstInt> for ConstInt
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fn partial_cmp(&self, other: &ConstInt) -> Option<Ordering>
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)impl Debug for ConstInt
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fn fmt(&self, __arg_0: &mut Formatter) -> Result<(), Error>
Formats the value using the given formatter.
impl Sub<ConstInt> for ConstInt
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type Output = Result<ConstInt, ConstMathErr>
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)fn sub(self, rhs: ConstInt) -> Result<ConstInt, ConstMathErr>
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)impl Not for ConstInt
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type Output = Result<ConstInt, ConstMathErr>
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)fn not(self) -> Result<ConstInt, ConstMathErr>
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)impl BitOr<ConstInt> for ConstInt
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type Output = Result<ConstInt, ConstMathErr>
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)fn bitor(self, rhs: ConstInt) -> Result<ConstInt, ConstMathErr>
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)impl Div<ConstInt> for ConstInt
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type Output = Result<ConstInt, ConstMathErr>
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)fn div(self, rhs: ConstInt) -> Result<ConstInt, ConstMathErr>
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)impl BitAnd<ConstInt> for ConstInt
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type Output = Result<ConstInt, ConstMathErr>
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)fn bitand(self, rhs: ConstInt) -> Result<ConstInt, ConstMathErr>
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)impl Shl<ConstInt> for ConstInt
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type Output = Result<ConstInt, ConstMathErr>
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)fn shl(self, rhs: ConstInt) -> Result<ConstInt, ConstMathErr>
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)impl Display for ConstInt
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fn fmt(&self, fmt: &mut Formatter) -> Result<(), Error>
Formats the value using the given formatter. Read more
impl Add<ConstInt> for ConstInt
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type Output = Result<ConstInt, ConstMathErr>
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)fn add(self, rhs: ConstInt) -> Result<ConstInt, ConstMathErr>
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)impl Rem<ConstInt> for ConstInt
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type Output = Result<ConstInt, ConstMathErr>
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)fn rem(self, rhs: ConstInt) -> Result<ConstInt, ConstMathErr>
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)impl Clone for ConstInt
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fn clone(&self) -> ConstInt
Returns a copy of the value. Read more
fn clone_from(&mut self, source: &Self)
1.0.0
Performs copy-assignment from source
. Read more
impl Shr<ConstInt> for ConstInt
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type Output = Result<ConstInt, ConstMathErr>
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)fn shr(self, rhs: ConstInt) -> Result<ConstInt, ConstMathErr>
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)impl Mul<ConstInt> for ConstInt
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type Output = Result<ConstInt, ConstMathErr>
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)fn mul(self, rhs: ConstInt) -> Result<ConstInt, ConstMathErr>
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)impl PartialEq<ConstInt> for ConstInt
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fn eq(&self, __arg_0: &ConstInt) -> bool
This method tests for self
and other
values to be equal, and is used by ==
. Read more
fn ne(&self, __arg_0: &ConstInt) -> bool
This method tests for !=
.
impl Encodable for ConstInt
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fn encode<__S>(&self, __arg_0: &mut __S) -> Result<(), __S::Error> where __S: Encoder
🔬 This is a nightly-only experimental API. (rustc_private
)
deprecated in favor of rustc-serialize on crates.io
impl Copy for ConstInt
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impl Neg for ConstInt
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type Output = Result<ConstInt, ConstMathErr>
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)fn neg(self) -> Result<ConstInt, ConstMathErr>
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)