Struct sp_runtime::FixedI64

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pub struct FixedI64(_);

Expand description

Re-export top-level arithmetic stuff. A fixed point number representation in the range.

Fixed Point 64 bits signed, range = [-9223372036.854775808, 9223372036.854775807]

Implementations

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impl FixedI64

Re-export top-level arithmetic stuff.

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pub const fn from_inner(inner: i64) -> FixedI64

const version of FixedPointNumber::from_inner.

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pub fn from_fraction(x: f64) -> FixedI64

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pub fn to_fraction(self) -> f64

Trait Implementations

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impl Add<FixedI64> for FixedI64

type Output = FixedI64

The resulting type after applying the + operator.

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pub fn add(self, rhs: FixedI64) -> <FixedI64 as Add<FixedI64>>::Output

Performs the + operation. Read more

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impl Bounded for FixedI64

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pub fn min_value() -> FixedI64

returns the smallest finite number this type can represent

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pub fn max_value() -> FixedI64

returns the largest finite number this type can represent

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impl CheckedAdd for FixedI64

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pub fn checked_add(&self, rhs: &FixedI64) -> Option<FixedI64>

Adds two numbers, checking for overflow. If overflow happens, None is returned. Read more

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impl CheckedDiv for FixedI64

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pub fn checked_div(&self, other: &FixedI64) -> Option<FixedI64>

Divides two numbers, checking for underflow, overflow and division by zero. If any of that happens, None is returned. Read more

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impl CheckedMul for FixedI64

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pub fn checked_mul(&self, other: &FixedI64) -> Option<FixedI64>

Multiplies two numbers, checking for underflow or overflow. If underflow or overflow happens, None is returned. Read more

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impl CheckedSub for FixedI64

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pub fn checked_sub(&self, rhs: &FixedI64) -> Option<FixedI64>

Subtracts two numbers, checking for underflow. If underflow happens, None is returned. Read more

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impl Clone for FixedI64

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pub fn clone(&self) -> FixedI64

Returns a copy of the value. Read more

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

Performs copy-assignment from source. Read more

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impl CompactAs for FixedI64

type As = i64

A compact-encodable type that should be used as the encoding.

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pub fn encode_as(&self) -> &i64

Returns the compact-encodable type.

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pub fn decode_from(x: i64) -> Result<FixedI64, Error>

Decode Self from the compact-decoded type.

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impl Debug for FixedI64

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pub fn fmt(&self, f: &mut Formatter<'_>) -> Result<(), Error>

Formats the value using the given formatter. Read more

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impl Decode for FixedI64

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pub fn decode<CodecInputEdqy>(
codec_input_edqy: &mut CodecInputEdqy
) -> Result<FixedI64, Error> where
CodecInputEdqy: Input,

Attempt to deserialise the value from input.

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fn skip(input: &mut I) -> Result<(), Error> where
I: Input,

Attempt to skip the encoded value from input. Read more

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fn encoded_fixed_size() -> Option<usize>

Returns the fixed encoded size of the type. Read more

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impl Default for FixedI64

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pub fn default() -> FixedI64

Returns the “default value” for a type. Read more

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impl<'de> Deserialize<'de> for FixedI64

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pub fn deserialize<D>(
deserializer: D
) -> Result<FixedI64, <D as Deserializer<'de>>::Error> where
D: Deserializer<'de>,

Deserialize this value from the given Serde deserializer. Read more

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impl Display for FixedI64

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pub fn fmt(&self, f: &mut Formatter<'_>) -> Result<(), Error>

Formats the value using the given formatter. Read more

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impl Div<FixedI64> for FixedI64

type Output = FixedI64

The resulting type after applying the / operator.

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pub fn div(self, rhs: FixedI64) -> <FixedI64 as Div<FixedI64>>::Output

Performs the / operation. Read more

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impl Encode for FixedI64

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pub fn encode_to<CodecOutputEdqy>(
 &self,
 codec_dest_edqy: &mut CodecOutputEdqy
) where
 CodecOutputEdqy: Output + ?Sized,

Convert self to a slice and append it to the destination.

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pub fn encode(&self) -> Vec<u8, Global>ⓘNotable traits for Vec<u8, A>`impl<A> Write for Vec<u8, A> where A: Allocator,`

Convert self to an owned vector.

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pub fn using_encoded<R, F>(&self, f: F) -> R where
F: FnOnce(&[u8 ]) -> R,

Convert self to a slice and then invoke the given closure with it.

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fn size_hint(&self) -> usize

If possible give a hint of expected size of the encoding. Read more

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fn encoded_size(&self) -> usize

Calculates the encoded size. Read more

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impl FixedPointNumber for FixedI64

type Inner = i64

The underlying data type used for this fixed point number.

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pub const DIV: <FixedI64 as FixedPointNumber>::Inner

Precision of this fixed point implementation. It should be a power of 10.

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pub const SIGNED: bool

Indicates if this fixed point implementation is signed or not.

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pub fn from_inner(inner: <FixedI64 as FixedPointNumber>::Inner) -> FixedI64

Builds this type from an integer number.

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pub fn into_inner(self) -> <FixedI64 as FixedPointNumber>::Inner

Consumes self and returns the inner raw value.

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fn accuracy() -> Self::Inner

Precision of this fixed point implementation.

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fn saturating_from_integer<N>(int: N) -> Self where
N: FixedPointOperand,

Creates self from an integer number int. Read more

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fn checked_from_integer(int: Self::Inner) -> Option<Self>

Creates self from an integer number int. Read more

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fn saturating_from_rational<N, D>(n: N, d: D) -> Self where
N: FixedPointOperand,
D: FixedPointOperand,

Creates self from a rational number. Equal to n / d. Read more

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fn checked_from_rational<N, D>(n: N, d: D) -> Option<Self> where
N: FixedPointOperand,
D: FixedPointOperand,

Creates self from a rational number. Equal to n / d. Read more

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fn checked_mul_int<N>(self, n: N) -> Option<N> where
N: FixedPointOperand,

Checked multiplication for integer type N. Equal to self * n. Read more

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fn saturating_mul_int<N>(self, n: N) -> N where
N: FixedPointOperand,

Saturating multiplication for integer type N. Equal to self * n. Read more

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fn checked_div_int<N>(self, d: N) -> Option<N> where
N: FixedPointOperand,

Checked division for integer type N. Equal to self / d. Read more

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fn saturating_div_int<N>(self, d: N) -> N where
N: FixedPointOperand,

Saturating division for integer type N. Equal to self / d. Read more

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fn saturating_mul_acc_int<N>(self, n: N) -> N where
N: FixedPointOperand,

Saturating multiplication for integer type N, adding the result back. Equal to self * n + n. Read more

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fn saturating_abs(self) -> Self

Saturating absolute value. Read more

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fn reciprocal(self) -> Option<Self>

Takes the reciprocal (inverse). Equal to 1 / self. Read more

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fn zero() -> Self

Returns zero.

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fn is_zero(&self) -> bool

Checks if the number is zero.

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fn one() -> Self

Returns one.

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fn is_one(&self) -> bool

Checks if the number is one.

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fn is_positive(self) -> bool

Returns true if self is positive and false if the number is zero or negative.

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fn is_negative(self) -> bool

Returns true if self is negative and false if the number is zero or positive.

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fn trunc(self) -> Self

Returns the integer part.

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fn frac(self) -> Self

Returns the fractional part. Read more

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fn ceil(self) -> Self

Returns the smallest integer greater than or equal to a number. Read more

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fn floor(self) -> Self

Returns the largest integer less than or equal to a number. Read more

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fn round(self) -> Self

Returns the number rounded to the nearest integer. Rounds half-way cases away from 0.0. Read more

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impl<N, D> From<(N, D)> for FixedI64 where
N: FixedPointOperand,
D: FixedPointOperand,

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pub fn from(r: (N, D)) -> FixedI64

Performs the conversion.

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impl From<Compact<FixedI64>> for FixedI64

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pub fn from(x: Compact<FixedI64>) -> FixedI64

Performs the conversion.

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impl From for FixedI64 where
P: PerThing,
::Inner: FixedPointOperand,

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pub fn from(p: P) -> FixedI64

Performs the conversion.

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impl From<i64> for FixedI64

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pub fn from(int: i64) -> FixedI64

Performs the conversion.

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impl FromStr for FixedI64

type Err = &'static str

The associated error which can be returned from parsing.

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pub fn from_str(s: &str) -> Result<FixedI64, <FixedI64 as FromStr>::Err>

Parses a string s to return a value of this type. Read more

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impl Mul<FixedI64> for FixedI64

type Output = FixedI64

The resulting type after applying the * operator.

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pub fn mul(self, rhs: FixedI64) -> <FixedI64 as Mul<FixedI64>>::Output

Performs the * operation. Read more

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impl Neg for FixedI64

type Output = FixedI64

The resulting type after applying the - operator.

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pub fn neg(self) -> <FixedI64 as Neg>::Output

Performs the unary - operation. Read more

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impl Ord for FixedI64

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pub fn cmp(&self, other: &FixedI64) -> Ordering

This method returns an Ordering between self and other. Read more

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fn max(self, other: Self) -> Self

Compares and returns the maximum of two values. Read more

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fn min(self, other: Self) -> Self

Compares and returns the minimum of two values. Read more

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fn clamp(self, min: Self, max: Self) -> Self

Restrict a value to a certain interval. Read more

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impl PartialEq<FixedI64> for FixedI64

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pub fn eq(&self, other: &FixedI64) -> bool

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

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pub fn ne(&self, other: &FixedI64) -> bool

This method tests for !=.

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impl PartialOrd<FixedI64> for FixedI64

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pub fn partial_cmp(&self, other: &FixedI64) -> Option<Ordering>

This method returns an ordering between self and other values if one exists. Read more

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fn lt(&self, other: &Rhs) -> bool

This method tests less than (for self and other) and is used by the < operator. Read more

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fn le(&self, other: &Rhs) -> bool

This method tests less than or equal to (for self and other) and is used by the <= operator. Read more

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fn gt(&self, other: &Rhs) -> bool

This method tests greater than (for self and other) and is used by the > operator. Read more

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fn ge(&self, other: &Rhs) -> bool

This method tests greater than or equal to (for self and other) and is used by the >= operator. Read more

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impl Saturating for FixedI64

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pub fn saturating_add(self, rhs: FixedI64) -> FixedI64

Saturating addition. Compute self + rhs, saturating at the numeric bounds instead of overflowing. Read more

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pub fn saturating_sub(self, rhs: FixedI64) -> FixedI64

Saturating subtraction. Compute self - rhs, saturating at the numeric bounds instead of overflowing. Read more

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pub fn saturating_mul(self, rhs: FixedI64) -> FixedI64

Saturating multiply. Compute self * rhs, saturating at the numeric bounds instead of overflowing. Read more

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pub fn saturating_pow(self, exp: usize) -> FixedI64

Saturating exponentiation. Compute self.pow(exp), saturating at the numeric bounds instead of overflowing. Read more

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impl Serialize for FixedI64

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pub fn serialize<S>(
 &self,
 serializer: S
) -> Result<<S as Serializer>::Ok, <S as Serializer>::Error> where
 S: Serializer,

Serialize this value into the given Serde serializer. Read more

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impl Sub<FixedI64> for FixedI64

type Output = FixedI64

The resulting type after applying the - operator.

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pub fn sub(self, rhs: FixedI64) -> <FixedI64 as Sub<FixedI64>>::Output

Performs the - operation. Read more

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impl StructuralPartialEq for FixedI64

Auto Trait Implementations

impl RefUnwindSafe for FixedI64

impl Send for FixedI64

impl Sync for FixedI64

impl Unpin for FixedI64

impl UnwindSafe for FixedI64

Blanket Implementations

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impl<T> Any for T where
T: 'static + ?Sized,

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pub fn type_id(&self) -> TypeId

Gets the TypeId of self. Read more

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impl<T> Borrow<T> for T where
T: ?Sized,

const: unstable · source

pub fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more

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impl<T> BorrowMut<T> for T where
T: ?Sized,

const: unstable · source

pub fn borrow_mut(&mut self) -> &mut T

Mutably borrows from an owned value. Read more

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impl<T> CheckedConversion for T

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fn checked_from<T>(t: T) -> Option<Self> where
Self: TryFrom<T>,

Convert from a value of T into an equivalent instance of Option<Self>. Read more

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fn checked_into<T>(self) -> Option<T> where
Self: TryInto<T>,

Consume self to return Some equivalent value of Option<T>. Read more

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impl<T> Clear for T where
T: Default + Eq + PartialEq<T>,

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fn is_clear(&self) -> bool

True iff no bits are set.

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fn clear() -> Self

Return the value of Self that is clear.

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impl<T> DecodeAll for T where
T: Decode,

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pub fn decode_all(input: &[u8 ]) -> Result<T, Error>

Decode Self and consume all of the given input data. Read more

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impl<T> DecodeLimit for T where
T: Decode,

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pub fn decode_all_with_depth_limit(limit: u32, input: &[u8 ]) -> Result<T, Error>

Decode Self and consume all of the given input data. Read more

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pub fn decode_with_depth_limit(limit: u32, input: &[u8 ]) -> Result<T, Error>

Decode Self with the given maximum recursion depth. Read more

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impl<T> DynClone for T where
T: Clone,

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pub fn __clone_box(&self, Private) -> *mut ()

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impl<T> From<T> for T

const: unstable · source

pub fn from(t: T) -> T

Returns the argument unchanged.

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impl<T> Instrument for T

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fn instrument(self, span: Span) -> Instrumented<Self>

Instruments this type with the provided Span, returning an Instrumented wrapper. Read more

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fn in_current_span(self) -> Instrumented<Self>

Instruments this type with the current Span, returning an Instrumented wrapper. Read more

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impl<T, U> Into for T where
U: From<T>,

const: unstable · source

pub fn into(self) -> U

Calls U::from(self).

That is, this conversion is whatever the implementation of From<T> for U chooses to do.

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impl<T, Outer> IsWrappedBy<Outer> for T where
Outer: AsRef<T> + AsMut<T> + From<T>,
T: From<Outer>,

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pub fn from_ref(outer: &Outer) -> &T

Get a reference to the inner from the outer.

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pub fn from_mut(outer: &mut Outer) -> &mut T

Get a mutable reference to the inner from the outer.

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impl<T> KeyedVec for T where
T: Codec,

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pub fn to_keyed_vec(&self, prepend_key: &[u8 ]) -> Vec<u8, Global>ⓘNotable traits for Vec<u8, A>`impl<A> Write for Vec<u8, A> where A: Allocator,`

Return an encoding of Self prepended by given slice.

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impl<T> Same<T> for T

type Output = T

Should always be Self

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impl<T> SaturatedConversion for T

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fn saturated_from<T>(t: T) -> Self where
Self: UniqueSaturatedFrom<T>,

Convert from a value of T into an equivalent instance of Self. Read more

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fn saturated_into<T>(self) -> T where
Self: UniqueSaturatedInto<T>,

Consume self to return an equivalent value of T. Read more

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impl<T> ToOwned for T where
T: Clone,

type Owned = T

The resulting type after obtaining ownership.

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pub fn to_owned(&self) -> T

Creates owned data from borrowed data, usually by cloning. Read more

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pub fn clone_into(&self, target: &mut T)

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

Uses borrowed data to replace owned data, usually by cloning. Read more

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impl<T> ToString for T where
T: Display + ?Sized,

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pub default fn to_string(&self) -> String

Converts the given value to a String. Read more

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impl<T, U> TryFrom for T where
U: Into<T>,

type Error = Infallible

The type returned in the event of a conversion error.

const: unstable · source

pub fn try_from(value: U) -> Result<T, <T as TryFrom>::Error>

Performs the conversion.

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impl<T, U> TryInto for T where
U: TryFrom<T>,

type Error = >::Error

The type returned in the event of a conversion error.

const: unstable · source

pub fn try_into(self) -> Result<U, >::Error>

Performs the conversion.

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impl<S, T> UncheckedInto<T> for S where
T: UncheckedFrom<S>,

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pub fn unchecked_into(self) -> T

The counterpart to unchecked_from.

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impl<T, S> UniqueSaturatedFrom<T> for S where
S: TryFrom<T> + Bounded,

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pub fn unique_saturated_from(t: T) -> S

Convert from a value of T into an equivalent instance of Self.

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impl<T, S> UniqueSaturatedInto<T> for S where
T: Bounded,
S: TryInto<T>,

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pub fn unique_saturated_into(self) -> T

Consume self to return an equivalent value of T.

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impl<V, T> VZip<V> for T where
V: MultiLane<T>,

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pub fn vzip(self) -> V

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impl<S> Codec for S where
S: Decode + Encode,

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impl<T> DeserializeOwned for T where
T: for<'de> Deserialize<'de>,

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impl<'_, '_, T> EncodeLike<&'_ &'_ T> for T where
T: Encode,

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impl<'_, T> EncodeLike<&'_ T> for T where
T: Encode,

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impl<'_, T> EncodeLike<&'_ mut T> for T where
T: Encode,

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impl<T> EncodeLike<Arc<T>> for T where
T: Encode,

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impl<T> EncodeLike<Box<T, Global>> for T where
T: Encode,

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impl<'a, T> EncodeLike<Cow<'a, T>> for T where
T: ToOwned + Encode,

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impl<T> EncodeLike<Rc<T>> for T where
T: Encode,

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impl<T> Error for T where
T: 'static + Debug + Display + Send + Sync,

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impl<S> FullCodec for S where
S: Decode + FullEncode,

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impl<S> FullEncode for S where
S: Encode + EncodeLike<S>,

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impl<T> MaybeDebug for T where
T: Debug,

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impl<T> MaybeDebug for T where
T: Debug,

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impl<T> MaybeDisplay for T where
T: Display,

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impl<T> MaybeFromStr for T where
T: FromStr,

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impl<T> MaybeRefUnwindSafe for T where
T: RefUnwindSafe,

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impl<T> MaybeSerialize for T where
T: Serialize,

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impl<T> MaybeSerializeDeserialize for T where
T: DeserializeOwned + Serialize,

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Struct sp_runtime::FixedI64

Implementations

impl FixedI64

pub const fn from_inner(inner: i64) -> FixedI64

pub fn from_fraction(x: f64) -> FixedI64

pub fn to_fraction(self) -> f64

Trait Implementations

impl Add<FixedI64> for FixedI64

type Output = FixedI64

pub fn add(self, rhs: FixedI64) -> <FixedI64 as Add<FixedI64>>::Output

impl Bounded for FixedI64

pub fn min_value() -> FixedI64

pub fn max_value() -> FixedI64

impl CheckedAdd for FixedI64

pub fn checked_add(&self, rhs: &FixedI64) -> Option<FixedI64>

impl CheckedDiv for FixedI64

pub fn checked_div(&self, other: &FixedI64) -> Option<FixedI64>

impl CheckedMul for FixedI64

pub fn checked_mul(&self, other: &FixedI64) -> Option<FixedI64>

impl CheckedSub for FixedI64

pub fn checked_sub(&self, rhs: &FixedI64) -> Option<FixedI64>

impl Clone for FixedI64

pub fn clone(&self) -> FixedI64

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

impl CompactAs for FixedI64

type As = i64

pub fn encode_as(&self) -> &i64

pub fn decode_from(x: i64) -> Result<FixedI64, Error>

impl Debug for FixedI64

pub fn fmt(&self, f: &mut Formatter<'_>) -> Result<(), Error>

impl Decode for FixedI64

pub fn decode<__CodecInputEdqy>( __codec_input_edqy: &mut __CodecInputEdqy) -> Result<FixedI64, Error> where __CodecInputEdqy: Input,

fn skip<I>(input: &mut I) -> Result<(), Error> where I: Input,

fn encoded_fixed_size() -> Option<usize>

impl Default for FixedI64

pub fn default() -> FixedI64

impl<'de> Deserialize<'de> for FixedI64

pub fn deserialize<D>( deserializer: D) -> Result<FixedI64, <D as Deserializer<'de>>::Error> where D: Deserializer<'de>,

impl Display for FixedI64

pub fn fmt(&self, f: &mut Formatter<'_>) -> Result<(), Error>

impl Div<FixedI64> for FixedI64

type Output = FixedI64

pub fn div(self, rhs: FixedI64) -> <FixedI64 as Div<FixedI64>>::Output

impl Encode for FixedI64

pub fn encode_to<__CodecOutputEdqy>( &self, __codec_dest_edqy: &mut __CodecOutputEdqy) where __CodecOutputEdqy: Output + ?Sized,

pub fn encode(&self) -> Vec<u8, Global>ⓘNotable traits for Vec<u8, A>impl<A> Write for Vec<u8, A> where A: Allocator,

pub fn using_encoded<R, F>(&self, f: F) -> R where F: FnOnce(&[u8]) -> R,

fn size_hint(&self) -> usize

fn encoded_size(&self) -> usize

impl FixedPointNumber for FixedI64

type Inner = i64

pub const DIV: <FixedI64 as FixedPointNumber>::Inner

pub const SIGNED: bool

pub fn from_inner(inner: <FixedI64 as FixedPointNumber>::Inner) -> FixedI64

pub fn into_inner(self) -> <FixedI64 as FixedPointNumber>::Inner

fn accuracy() -> Self::Inner

fn saturating_from_integer<N>(int: N) -> Self where N: FixedPointOperand,

fn checked_from_integer(int: Self::Inner) -> Option<Self>

fn saturating_from_rational<N, D>(n: N, d: D) -> Self where N: FixedPointOperand, D: FixedPointOperand,

fn checked_from_rational<N, D>(n: N, d: D) -> Option<Self> where N: FixedPointOperand, D: FixedPointOperand,

fn checked_mul_int<N>(self, n: N) -> Option<N> where N: FixedPointOperand,

fn saturating_mul_int<N>(self, n: N) -> N where N: FixedPointOperand,

fn checked_div_int<N>(self, d: N) -> Option<N> where N: FixedPointOperand,

fn saturating_div_int<N>(self, d: N) -> N where N: FixedPointOperand,

fn saturating_mul_acc_int<N>(self, n: N) -> N where N: FixedPointOperand,

fn saturating_abs(self) -> Self

fn reciprocal(self) -> Option<Self>

fn zero() -> Self

fn is_zero(&self) -> bool

fn one() -> Self

fn is_one(&self) -> bool

fn is_positive(self) -> bool

fn is_negative(self) -> bool

fn trunc(self) -> Self

fn frac(self) -> Self

fn ceil(self) -> Self

fn floor(self) -> Self

fn round(self) -> Self

impl<N, D> From<(N, D)> for FixedI64 where N: FixedPointOperand, D: FixedPointOperand,

pub fn from(r: (N, D)) -> FixedI64

pub fn decode<CodecInputEdqy>(
codec_input_edqy: &mut CodecInputEdqy
) -> Result<FixedI64, Error> where
CodecInputEdqy: Input,

fn skip<I>(input: &mut I) -> Result<(), Error> where
I: Input,

pub fn deserialize<D>(
deserializer: D
) -> Result<FixedI64, <D as Deserializer<'de>>::Error> where
D: Deserializer<'de>,

pub fn encode_to<CodecOutputEdqy>(
&self,
codec_dest_edqy: &mut CodecOutputEdqy
) where
CodecOutputEdqy: Output + ?Sized,

pub fn encode(&self) -> Vec<u8, Global>ⓘNotable traits for Vec<u8, A>`impl<A> Write for Vec<u8, A> where A: Allocator,`

pub fn using_encoded<R, F>(&self, f: F) -> R where
F: FnOnce(&[u8 ]) -> R,

fn saturating_from_integer<N>(int: N) -> Self where
N: FixedPointOperand,

fn saturating_from_rational<N, D>(n: N, d: D) -> Self where
N: FixedPointOperand,
D: FixedPointOperand,

fn checked_from_rational<N, D>(n: N, d: D) -> Option<Self> where
N: FixedPointOperand,
D: FixedPointOperand,

fn checked_mul_int<N>(self, n: N) -> Option<N> where
N: FixedPointOperand,

fn saturating_mul_int<N>(self, n: N) -> N where
N: FixedPointOperand,

fn checked_div_int<N>(self, d: N) -> Option<N> where
N: FixedPointOperand,

fn saturating_div_int<N>(self, d: N) -> N where
N: FixedPointOperand,

fn saturating_mul_acc_int<N>(self, n: N) -> N where
N: FixedPointOperand,

impl<N, D> From<(N, D)> for FixedI64 where
N: FixedPointOperand,
D: FixedPointOperand,

impl<P> From<P> for FixedI64 where
P: PerThing,
<P as PerThing>::Inner: FixedPointOperand,

pub fn serialize<S>(
&self,
serializer: S
) -> Result<<S as Serializer>::Ok, <S as Serializer>::Error> where
S: Serializer,

impl<T> Any for T where
T: 'static + ?Sized,

impl<T> Borrow<T> for T where
T: ?Sized,

impl<T> BorrowMut<T> for T where
T: ?Sized,

fn checked_from<T>(t: T) -> Option<Self> where
Self: TryFrom<T>,

fn checked_into<T>(self) -> Option<T> where
Self: TryInto<T>,

impl<T> Clear for T where
T: Default + Eq + PartialEq<T>,