[−][src]Struct sp_arithmetic::Perquintill
A fixed point representation of a number between in the range [0, 1].
Parts per Quintillion
Methods
impl Perquintill
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Implement const functions
pub const fn from_parts(parts: u64) -> Self
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From an explicitly defined number of parts per maximum of the type.
This can be called at compile time.
pub const fn from_percent(x: u64) -> Self
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Converts a percent into Self
. Equal to x / 100
.
This can be created at compile time.
pub fn one() -> Self
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Everything.
To avoid having to import PerThing
when one needs to be used in test mocks.
Trait Implementations
impl Clone for Perquintill
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fn clone(&self) -> Perquintill
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fn clone_from(&mut self, source: &Self)
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impl CompactAs for Perquintill
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type As = u64
A compact-encodable type that should be used as the encoding.
fn encode_as(&self) -> &u64
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fn decode_from(x: u64) -> Perquintill
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impl Copy for Perquintill
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impl Debug for Perquintill
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impl Decode for Perquintill
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impl Default for Perquintill
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fn default() -> Perquintill
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impl<'de> Deserialize<'de> for Perquintill
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fn deserialize<__D>(__deserializer: __D) -> Result<Self, __D::Error> where
__D: Deserializer<'de>,
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__D: Deserializer<'de>,
impl Div<Perquintill> for Perquintill
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type Output = Self
The resulting type after applying the /
operator.
fn div(self, rhs: Self) -> Self::Output
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impl Encode for Perquintill
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fn encode_to<EncOut: Output>(&self, dest: &mut EncOut)
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fn encode(&self) -> Vec<u8>
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fn using_encoded<R, F: FnOnce(&[u8]) -> R>(&self, f: F) -> R
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fn size_hint(&self) -> usize
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impl EncodeLike<Perquintill> for Perquintill
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impl Eq for Perquintill
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impl From<Compact<Perquintill>> for Perquintill
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fn from(x: Compact<Perquintill>) -> Perquintill
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impl<N> Mul<N> for Perquintill where
N: Clone + From<u64> + UniqueSaturatedInto<u64> + Rem<N, Output = N> + Div<N, Output = N> + Mul<N, Output = N> + Add<N, Output = N>,
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N: Clone + From<u64> + UniqueSaturatedInto<u64> + Rem<N, Output = N> + Div<N, Output = N> + Mul<N, Output = N> + Add<N, Output = N>,
Overflow-prune multiplication.
tailored to be used with a balance type.
type Output = N
The resulting type after applying the *
operator.
fn mul(self, b: N) -> Self::Output
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impl Ord for Perquintill
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fn cmp(&self, other: &Perquintill) -> Ordering
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#[must_use]
fn max(self, other: Self) -> Self
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#[must_use]
fn min(self, other: Self) -> Self
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#[must_use]
fn clamp(self, min: Self, max: Self) -> Self
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impl PartialEq<Perquintill> for Perquintill
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fn eq(&self, other: &Perquintill) -> bool
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fn ne(&self, other: &Perquintill) -> bool
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impl PartialOrd<Perquintill> for Perquintill
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fn partial_cmp(&self, other: &Perquintill) -> Option<Ordering>
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fn lt(&self, other: &Perquintill) -> bool
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fn le(&self, other: &Perquintill) -> bool
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fn gt(&self, other: &Perquintill) -> bool
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fn ge(&self, other: &Perquintill) -> bool
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impl PerThing for Perquintill
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type Inner = u64
The data type used to build this per-thingy.
const ACCURACY: Self::Inner
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The accuracy of this type.
fn zero() -> Self
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Nothing.
fn is_zero(&self) -> bool
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true
if this is nothing.
fn one() -> Self
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Everything.
fn deconstruct(self) -> Self::Inner
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Consume self and deconstruct into a raw numeric type.
fn from_parts(parts: Self::Inner) -> Self
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From an explicitly defined number of parts per maximum of the type.
fn from_percent(x: Self::Inner) -> Self
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Converts a percent into Self
. Equal to x / 100
.
fn square(self) -> Self
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Return the product of multiplication of this value by itself.
fn from_fraction(x: f64) -> Self
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Converts a fraction into Self
.
fn from_rational_approximation<N>(p: N, q: N) -> Self where
N: Clone + Ord + From<Self::Inner> + TryInto<Self::Inner> + Div<N, Output = N>,
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N: Clone + Ord + From<Self::Inner> + TryInto<Self::Inner> + Div<N, Output = N>,
Approximate the fraction p/q
into a per-thing fraction. This will never overflow.
The computation of this approximation is performed in the generic type N
. Given
M
as the data type that can hold the maximum value of this per-thing (e.g. u32 for
perbill), this can only work if N == M
or N: From<M> + TryInto<M>
.
impl Saturating for Perquintill
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fn saturating_add(self, rhs: Self) -> Self
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fn saturating_sub(self, rhs: Self) -> Self
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fn saturating_mul(self, rhs: Self) -> Self
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impl Serialize for Perquintill
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fn serialize<__S>(&self, __serializer: __S) -> Result<__S::Ok, __S::Error> where
__S: Serializer,
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__S: Serializer,
impl StructuralEq for Perquintill
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impl StructuralPartialEq for Perquintill
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Auto Trait Implementations
impl RefUnwindSafe for Perquintill
impl Send for Perquintill
impl Sync for Perquintill
impl Unpin for Perquintill
impl UnwindSafe for Perquintill
Blanket Implementations
impl<T> Any for T where
T: 'static + ?Sized,
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T: 'static + ?Sized,
impl<T> Borrow<T> for T where
T: ?Sized,
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T: ?Sized,
impl<T> BorrowMut<T> for T where
T: ?Sized,
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T: ?Sized,
fn borrow_mut(&mut self) -> &mut T
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impl<S> Codec for S where
S: Encode + Decode,
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S: Encode + Decode,
impl<T, X> Decode for X where
T: Decode + Into<X>,
X: WrapperTypeDecode<Wrapped = T>,
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T: Decode + Into<X>,
X: WrapperTypeDecode<Wrapped = T>,
impl<T> DecodeAll for T where
T: Decode,
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T: Decode,
impl<T> DeserializeOwned for T where
T: Deserialize<'de>,
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T: Deserialize<'de>,
impl<T, X> Encode for X where
T: Encode + ?Sized,
X: WrapperTypeEncode<Target = T>,
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T: Encode + ?Sized,
X: WrapperTypeEncode<Target = T>,
fn size_hint(&self) -> usize
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fn using_encoded<R, F>(&self, f: F) -> R where
F: FnOnce(&[u8]) -> R,
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F: FnOnce(&[u8]) -> R,
fn encode(&self) -> Vec<u8>
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fn encode_to<W>(&self, dest: &mut W) where
W: Output,
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W: Output,
impl<'_, '_, T> EncodeLike<&'_ &'_ T> for T where
T: Encode,
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T: Encode,
impl<'_, T> EncodeLike<&'_ T> for T where
T: Encode,
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T: Encode,
impl<'_, T> EncodeLike<&'_ mut T> for T where
T: Encode,
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T: Encode,
impl<T> EncodeLike<Arc<T>> for T where
T: Encode,
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T: Encode,
impl<T> EncodeLike<Box<T>> for T where
T: Encode,
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T: Encode,
impl<'a, T> EncodeLike<Cow<'a, T>> for T where
T: Encode + ToOwned,
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T: Encode + ToOwned,
impl<T> EncodeLike<Rc<T>> for T where
T: Encode,
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T: Encode,
impl<T> From<T> for T
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impl<S> FullCodec for S where
S: Decode + FullEncode,
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S: Decode + FullEncode,
impl<S> FullEncode for S where
S: Encode + EncodeLike<S>,
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S: Encode + EncodeLike<S>,
impl<T> HasCompact for T where
T: 'static,
Compact<T>: EncodeAsRef<'a, T>,
Compact<T>: Decode,
Compact<T>: From<T>,
Compact<T>: Into<T>,
Compact<T>: Clone,
Compact<T>: PartialEq<Compact<T>>,
Compact<T>: Eq,
Compact<T>: MaybeDebugSerde,
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T: 'static,
Compact<T>: EncodeAsRef<'a, T>,
Compact<T>: Decode,
Compact<T>: From<T>,
Compact<T>: Into<T>,
Compact<T>: Clone,
Compact<T>: PartialEq<Compact<T>>,
Compact<T>: Eq,
Compact<T>: MaybeDebugSerde,
impl<T, U> Into<U> for T where
U: From<T>,
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U: From<T>,
impl<T> KeyedVec for T where
T: Codec,
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T: Codec,
impl<T> SaturatedConversion for T
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fn saturated_from<T>(t: T) -> Self where
Self: UniqueSaturatedFrom<T>,
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Self: UniqueSaturatedFrom<T>,
fn saturated_into<T>(self) -> T where
Self: UniqueSaturatedInto<T>,
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Self: UniqueSaturatedInto<T>,
impl<T> Saturating for T where
T: Bounded + CheckedMul + Saturating,
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T: Bounded + CheckedMul + Saturating,
fn saturating_add(Self, T) -> T
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fn saturating_sub(Self, T) -> T
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fn saturating_mul(Self, T) -> T
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impl<T> ToOwned for T where
T: Clone,
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T: Clone,
type Owned = T
The resulting type after obtaining ownership.
fn to_owned(&self) -> T
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fn clone_into(&self, target: &mut T)
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impl<T, U> TryFrom<U> for T where
U: Into<T>,
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U: Into<T>,
type Error = Infallible
The type returned in the event of a conversion error.
fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>
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impl<T, U> TryInto<U> for T where
U: TryFrom<T>,
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U: TryFrom<T>,
type Error = <U as TryFrom<T>>::Error
The type returned in the event of a conversion error.
fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>
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impl<T, S> UniqueSaturatedInto<T> for S where
S: TryInto<T>,
T: Bounded,
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S: TryInto<T>,
T: Bounded,