Struct scale_info::prelude::num::NonZeroU8

1.28.0 · source · [−]

#[repr(transparent)]
pub struct NonZeroU8(_);

Expand description

An integer that is known not to equal zero.

This enables some memory layout optimization. For example, Option<NonZeroU8> is the same size as u8:

use std::mem::size_of;
assert_eq!(size_of::<Option<core::num::NonZeroU8>>(), size_of::<u8>());

Implementations

source

impl NonZeroU8

const: 1.28.0 · source

pub const unsafe fn new_unchecked(n: u8) -> NonZeroU8

Creates a non-zero without checking whether the value is non-zero. This results in undefined behaviour if the value is zero.

Safety

The value must not be zero.

const: 1.47.0 · source

pub const fn new(n: u8) -> Option<NonZeroU8>

Creates a non-zero if the given value is not zero.

const: 1.34.0 · source

pub const fn get(self) -> u8

Returns the value as a primitive type.

source

impl NonZeroU8

source

pub const fn checked_add(self, other: u8) -> Option<NonZeroU8>

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

Add an unsigned integer to a non-zero value. Check for overflow and return None on overflow As a consequence, the result cannot wrap to zero.

pub const fn saturating_add(self, other: u8) -> NonZeroU8

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

Add an unsigned integer to a non-zero value. Return u8::MAX on overflow.

pub const unsafe fn unchecked_add(self, other: u8) -> NonZeroU8

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

Add an unsigned integer to a non-zero value, assuming overflow cannot occur. Overflow is unchecked, and it is undefined behaviour to overflow even if the result would wrap to a non-zero value. The behaviour is undefined as soon as self + rhs > u8::MAX.

Examples

#![feature(nonzero_ops)]

let one = NonZeroU8::new(1)?;
let two = NonZeroU8::new(2)?;

assert_eq!(two, unsafe { one.unchecked_add(1) });

source

pub const fn checked_next_power_of_two(self) -> Option<NonZeroU8>

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

Returns the smallest power of two greater than or equal to n. Check for overflow and return None if the next power of two is greater than the type’s maximum value. As a consequence, the result cannot wrap to zero.

Examples

#![feature(nonzero_ops)]

let two = NonZeroU8::new(2)?;
let three = NonZeroU8::new(3)?;
let four = NonZeroU8::new(4)?;
let max = NonZeroU8::new(u8::MAX)?;

assert_eq!(Some(two), two.checked_next_power_of_two() );
assert_eq!(Some(four), three.checked_next_power_of_two() );
assert_eq!(None, max.checked_next_power_of_two() );

source

pub const fn log2(self) -> u32

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

Returns the base 2 logarithm of the number, rounded down.

This is the same operation as u8::log2, except that it has no failure cases to worry about since this value can never be zero.

Examples

#![feature(int_log)]

assert_eq!(NonZeroU8::new(7).unwrap().log2(), 2);
assert_eq!(NonZeroU8::new(8).unwrap().log2(), 3);
assert_eq!(NonZeroU8::new(9).unwrap().log2(), 3);

source

pub const fn log10(self) -> u32

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

Returns the base 10 logarithm of the number, rounded down.

This is the same operation as u8::log10, except that it has no failure cases to worry about since this value can never be zero.

Examples

#![feature(int_log)]

assert_eq!(NonZeroU8::new(99).unwrap().log10(), 1);
assert_eq!(NonZeroU8::new(100).unwrap().log10(), 2);
assert_eq!(NonZeroU8::new(101).unwrap().log10(), 2);

source

impl NonZeroU8

source

pub const fn checked_mul(self, other: NonZeroU8) -> Option<NonZeroU8>

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

Multiply two non-zero integers together. Check for overflow and return None on overflow. As a consequence, the result cannot wrap to zero.

Examples

#![feature(nonzero_ops)]

let two = NonZeroU8::new(2)?;
let four = NonZeroU8::new(4)?;
let max = NonZeroU8::new(u8::MAX)?;

assert_eq!(Some(four), two.checked_mul(two));
assert_eq!(None, max.checked_mul(two));

source

pub const fn saturating_mul(self, other: NonZeroU8) -> NonZeroU8

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

Multiply two non-zero integers together. Return u8::MAX on overflow.

Examples

#![feature(nonzero_ops)]

let two = NonZeroU8::new(2)?;
let four = NonZeroU8::new(4)?;
let max = NonZeroU8::new(u8::MAX)?;

assert_eq!(four, two.saturating_mul(two));
assert_eq!(max, four.saturating_mul(max));

source

pub const unsafe fn unchecked_mul(self, other: NonZeroU8) -> NonZeroU8

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

Multiply two non-zero integers together, assuming overflow cannot occur. Overflow is unchecked, and it is undefined behaviour to overflow even if the result would wrap to a non-zero value. The behaviour is undefined as soon as self * rhs > u8::MAX.

Examples

#![feature(nonzero_ops)]

let two = NonZeroU8::new(2)?;
let four = NonZeroU8::new(4)?;

assert_eq!(four, unsafe { two.unchecked_mul(two) });

source

pub const fn checked_pow(self, other: u32) -> Option<NonZeroU8>

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

Raise non-zero value to an integer power. Check for overflow and return None on overflow. As a consequence, the result cannot wrap to zero.

Examples

#![feature(nonzero_ops)]

let three = NonZeroU8::new(3)?;
let twenty_seven = NonZeroU8::new(27)?;
let half_max = NonZeroU8::new(u8::MAX / 2)?;

assert_eq!(Some(twenty_seven), three.checked_pow(3));
assert_eq!(None, half_max.checked_pow(3));

source

pub const fn saturating_pow(self, other: u32) -> NonZeroU8

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

Raise non-zero value to an integer power. Return u8::MAX on overflow.

Examples

#![feature(nonzero_ops)]

let three = NonZeroU8::new(3)?;
let twenty_seven = NonZeroU8::new(27)?;
let max = NonZeroU8::new(u8::MAX)?;

assert_eq!(twenty_seven, three.saturating_pow(3));
assert_eq!(max, max.saturating_pow(3));

source

impl NonZeroU8

1.59.0 · source

pub const fn is_power_of_two(self) -> bool

Returns true if and only if self == (1 << k) for some k.

On many architectures, this function can perform better than is_power_of_two() on the underlying integer type, as special handling of zero can be avoided.

Examples

Basic usage:

let eight = std::num::NonZeroU8::new(8).unwrap();
assert!(eight.is_power_of_two());
let ten = std::num::NonZeroU8::new(10).unwrap();
assert!(!ten.is_power_of_two());

Trait Implementations

source

impl Binary for NonZeroU8

source

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

Formats the value using the given formatter.

1.45.0 (const: unstable) · source

impl BitOr<NonZeroU8> for NonZeroU8

type Output = NonZeroU8

The resulting type after applying the | operator.

const: unstable · source

pub fn bitor(self, rhs: NonZeroU8) -> <NonZeroU8 as BitOr<NonZeroU8>>::Output

Performs the | operation. Read more

1.45.0 (const: unstable) · source

impl BitOr<NonZeroU8> for u8

type Output = NonZeroU8

The resulting type after applying the | operator.

const: unstable · source

pub fn bitor(self, rhs: NonZeroU8) -> <u8 as BitOr<NonZeroU8>>::Output

Performs the | operation. Read more

1.45.0 (const: unstable) · source

impl BitOr<u8> for NonZeroU8

type Output = NonZeroU8

The resulting type after applying the | operator.

const: unstable · source

pub fn bitor(self, rhs: u8) -> <NonZeroU8 as BitOr<u8>>::Output

Performs the | operation. Read more

1.45.0 (const: unstable) · source

impl BitOrAssign<NonZeroU8> for NonZeroU8

const: unstable · source

pub fn bitor_assign(&mut self, rhs: NonZeroU8)

Performs the |= operation. Read more

1.45.0 (const: unstable) · source

impl BitOrAssign<u8> for NonZeroU8

const: unstable · source

pub fn bitor_assign(&mut self, rhs: u8)

Performs the |= operation. Read more

source

impl Clone for NonZeroU8

source

pub fn clone(&self) -> NonZeroU8

Returns a copy of the value. Read more

1.0.0 · source

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

Performs copy-assignment from source. Read more

source

impl Debug for NonZeroU8

source

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

Formats the value using the given formatter. Read more

source

impl Decode for NonZeroU8

source

pub fn decode(input: &mut I) -> Result<NonZeroU8, Error> where
I: Input,

Attempt to deserialise the value from input.

source

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

Attempt to skip the encoded value from input. Read more

source

fn encoded_fixed_size() -> Option<usize>

Returns the fixed encoded size of the type. Read more

source

impl<'de> Deserialize<'de> for NonZeroU8

source

pub fn deserialize<D>(
deserializer: D
) -> Result<NonZeroU8, <D as Deserializer<'de>>::Error> where
D: Deserializer<'de>,

Deserialize this value from the given Serde deserializer. Read more

source

impl Display for NonZeroU8

source

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

Formats the value using the given formatter. Read more

1.51.0 (const: unstable) · source

impl Div<NonZeroU8> for u8

const: unstable · source

pub fn div(self, other: NonZeroU8) -> u8

This operation rounds towards zero, truncating any fractional part of the exact result, and cannot panic.

type Output = u8

The resulting type after applying the / operator.

source

impl Encode for NonZeroU8

source

pub fn size_hint(&self) -> usize

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

source

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

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

source

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.

source

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.

source

fn encoded_size(&self) -> usize

Calculates the encoded size. Read more

1.41.0 (const: unstable) · source

impl From<NonZeroU8> for NonZeroI64

const: unstable · source

pub fn from(small: NonZeroU8) -> NonZeroI64

Converts NonZeroU8 to NonZeroI64 losslessly.

1.41.0 (const: unstable) · source

impl From<NonZeroU8> for NonZeroUsize

const: unstable · source

pub fn from(small: NonZeroU8) -> NonZeroUsize

Converts NonZeroU8 to NonZeroUsize losslessly.

1.41.0 (const: unstable) · source

impl From<NonZeroU8> for NonZeroU32

const: unstable · source

pub fn from(small: NonZeroU8) -> NonZeroU32

Converts NonZeroU8 to NonZeroU32 losslessly.

1.41.0 (const: unstable) · source

impl From<NonZeroU8> for NonZeroI16

const: unstable · source

pub fn from(small: NonZeroU8) -> NonZeroI16

Converts NonZeroU8 to NonZeroI16 losslessly.

1.41.0 (const: unstable) · source

impl From<NonZeroU8> for NonZeroIsize

const: unstable · source

pub fn from(small: NonZeroU8) -> NonZeroIsize

Converts NonZeroU8 to NonZeroIsize losslessly.

1.41.0 (const: unstable) · source

impl From<NonZeroU8> for NonZeroI32

const: unstable · source

pub fn from(small: NonZeroU8) -> NonZeroI32

Converts NonZeroU8 to NonZeroI32 losslessly.

1.41.0 (const: unstable) · source

impl From<NonZeroU8> for NonZeroU64

const: unstable · source

pub fn from(small: NonZeroU8) -> NonZeroU64

Converts NonZeroU8 to NonZeroU64 losslessly.

1.41.0 (const: unstable) · source

impl From<NonZeroU8> for NonZeroU16

const: unstable · source

pub fn from(small: NonZeroU8) -> NonZeroU16

Converts NonZeroU8 to NonZeroU16 losslessly.

1.41.0 (const: unstable) · source

impl From<NonZeroU8> for NonZeroU128

const: unstable · source

pub fn from(small: NonZeroU8) -> NonZeroU128

Converts NonZeroU8 to NonZeroU128 losslessly.

1.41.0 (const: unstable) · source

impl From<NonZeroU8> for NonZeroI128

const: unstable · source

pub fn from(small: NonZeroU8) -> NonZeroI128

Converts NonZeroU8 to NonZeroI128 losslessly.

1.35.0 · source

impl FromStr for NonZeroU8

type Err = ParseIntError

The associated error which can be returned from parsing.

source

pub fn from_str(src: &str) -> Result<NonZeroU8, <NonZeroU8 as FromStr>::Err>

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

source

impl Hash for NonZeroU8

source

pub fn hash<H>(&self, state: &mut H) where
__H: Hasher,

Feeds this value into the given Hasher. Read more

1.3.0 · source

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

Feeds a slice of this type into the given Hasher. Read more

source

impl LowerHex for NonZeroU8

source

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

Formats the value using the given formatter.

source

impl Octal for NonZeroU8

source

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

Formats the value using the given formatter.

source

impl Ord for NonZeroU8

source

pub fn cmp(&self, other: &NonZeroU8) -> Ordering

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

1.21.0 · source

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

Compares and returns the maximum of two values. Read more

1.21.0 · source

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

Compares and returns the minimum of two values. Read more

1.50.0 · source

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

Restrict a value to a certain interval. Read more

source

impl PartialEq<NonZeroU8> for NonZeroU8

source

pub fn eq(&self, other: &NonZeroU8) -> bool

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

source

pub fn ne(&self, other: &NonZeroU8) -> bool

This method tests for !=.

source

impl PartialOrd<NonZeroU8> for NonZeroU8

source

pub fn partial_cmp(&self, other: &NonZeroU8) -> Option<Ordering>

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

1.0.0 · source

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

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

1.0.0 · source

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

1.0.0 · source

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

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

1.0.0 · source

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

1.51.0 (const: unstable) · source

impl Rem<NonZeroU8> for u8

const: unstable · source

pub fn rem(self, other: NonZeroU8) -> u8

This operation satisfies n % d == n - (n / d) * d, and cannot panic.

type Output = u8

The resulting type after applying the % operator.

source

impl Serialize for NonZeroU8

source

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

1.49.0 · source

impl TryFrom<NonZeroI128> for NonZeroU8

source

pub fn try_from(
value: NonZeroI128
) -> Result<NonZeroU8, <NonZeroU8 as TryFrom<NonZeroI128>>::Error>

Attempts to convert NonZeroI128 to NonZeroU8.

type Error = TryFromIntError

The type returned in the event of a conversion error.

1.49.0 · source

impl TryFrom<NonZeroI16> for NonZeroU8

source

pub fn try_from(
value: NonZeroI16
) -> Result<NonZeroU8, <NonZeroU8 as TryFrom<NonZeroI16>>::Error>

Attempts to convert NonZeroI16 to NonZeroU8.

type Error = TryFromIntError

The type returned in the event of a conversion error.

1.49.0 · source

impl TryFrom<NonZeroI32> for NonZeroU8

source

pub fn try_from(
value: NonZeroI32
) -> Result<NonZeroU8, <NonZeroU8 as TryFrom<NonZeroI32>>::Error>

Attempts to convert NonZeroI32 to NonZeroU8.

type Error = TryFromIntError

The type returned in the event of a conversion error.

1.49.0 · source

impl TryFrom<NonZeroI64> for NonZeroU8

source

pub fn try_from(
value: NonZeroI64
) -> Result<NonZeroU8, <NonZeroU8 as TryFrom<NonZeroI64>>::Error>

Attempts to convert NonZeroI64 to NonZeroU8.

type Error = TryFromIntError

The type returned in the event of a conversion error.

1.49.0 · source

impl TryFrom<NonZeroI8> for NonZeroU8

source

pub fn try_from(
value: NonZeroI8
) -> Result<NonZeroU8, <NonZeroU8 as TryFrom<NonZeroI8>>::Error>

Attempts to convert NonZeroI8 to NonZeroU8.

type Error = TryFromIntError

The type returned in the event of a conversion error.

1.49.0 · source

impl TryFrom<NonZeroIsize> for NonZeroU8

source

pub fn try_from(
value: NonZeroIsize
) -> Result<NonZeroU8, <NonZeroU8 as TryFrom<NonZeroIsize>>::Error>

Attempts to convert NonZeroIsize to NonZeroU8.

type Error = TryFromIntError

The type returned in the event of a conversion error.

1.49.0 · source

impl TryFrom<NonZeroU128> for NonZeroU8

source

pub fn try_from(
value: NonZeroU128
) -> Result<NonZeroU8, <NonZeroU8 as TryFrom<NonZeroU128>>::Error>

Attempts to convert NonZeroU128 to NonZeroU8.

type Error = TryFromIntError

The type returned in the event of a conversion error.

1.49.0 · source

impl TryFrom<NonZeroU16> for NonZeroU8

source

pub fn try_from(
value: NonZeroU16
) -> Result<NonZeroU8, <NonZeroU8 as TryFrom<NonZeroU16>>::Error>

Attempts to convert NonZeroU16 to NonZeroU8.

type Error = TryFromIntError

The type returned in the event of a conversion error.

1.49.0 · source

impl TryFrom<NonZeroU32> for NonZeroU8

source

pub fn try_from(
value: NonZeroU32
) -> Result<NonZeroU8, <NonZeroU8 as TryFrom<NonZeroU32>>::Error>

Attempts to convert NonZeroU32 to NonZeroU8.

type Error = TryFromIntError

The type returned in the event of a conversion error.

1.49.0 · source

impl TryFrom<NonZeroU64> for NonZeroU8

source

pub fn try_from(
value: NonZeroU64
) -> Result<NonZeroU8, <NonZeroU8 as TryFrom<NonZeroU64>>::Error>

Attempts to convert NonZeroU64 to NonZeroU8.

type Error = TryFromIntError

The type returned in the event of a conversion error.

1.49.0 · source

impl TryFrom<NonZeroU8> for NonZeroI8

source

pub fn try_from(
value: NonZeroU8
) -> Result<NonZeroI8, <NonZeroI8 as TryFrom<NonZeroU8>>::Error>

Attempts to convert NonZeroU8 to NonZeroI8.

type Error = TryFromIntError

The type returned in the event of a conversion error.

1.49.0 · source

impl TryFrom<NonZeroUsize> for NonZeroU8

source

pub fn try_from(
value: NonZeroUsize
) -> Result<NonZeroU8, <NonZeroU8 as TryFrom<NonZeroUsize>>::Error>

Attempts to convert NonZeroUsize to NonZeroU8.

type Error = TryFromIntError

The type returned in the event of a conversion error.

1.46.0 · source

impl TryFrom<u8> for NonZeroU8

source

pub fn try_from(
value: u8
) -> Result<NonZeroU8, <NonZeroU8 as TryFrom<u8>>::Error>

Attempts to convert u8 to NonZeroU8.

type Error = TryFromIntError

The type returned in the event of a conversion error.

source

impl TypeInfo for NonZeroU8

type Identity = Self

The type identifying for which type info is provided. Read more

source

fn type_info() -> Type

Returns the static type identifier for Self.

source

impl UpperHex for NonZeroU8

source

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

Formats the value using the given formatter.

source

impl StructuralPartialEq for NonZeroU8

Auto Trait Implementations

impl RefUnwindSafe for NonZeroU8

impl Send for NonZeroU8

impl Sync for NonZeroU8

impl Unpin for NonZeroU8

impl UnwindSafe for NonZeroU8

Blanket Implementations

source

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

source

pub fn type_id(&self) -> TypeId

Gets the TypeId of self. Read more

source

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

source

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

source

impl<T> Conv for T

source

fn conv<T>(self) -> T where
Self: Into<T>,

Converts self into T using Into<T>. Read more

source

impl<T> Conv for T

source

fn conv<T>(self) -> T where
Self: Into<T>,

Converts self into a target type. Read more

source

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

source

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

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

source

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

source

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

source

pub fn decode_and_advance_with_depth_limit(
 limit: u32,
 input: &mut I
) -> Result<T, Error> where
 I: Input,

Decode Self and advance input by the number of bytes consumed. Read more

source

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

Decode Self with the given maximum recursion depth. Read more

source

impl<T> FmtForward for T

source

fn fmt_binary(self) -> FmtBinary<Self> where
Self: Binary,

Causes self to use its Binary implementation when Debug-formatted.

source

fn fmt_display(self) -> FmtDisplay<Self> where
Self: Display,

Causes self to use its Display implementation when Debug-formatted. Read more

source

fn fmt_lower_exp(self) -> FmtLowerExp<Self> where
Self: LowerExp,

Causes self to use its LowerExp implementation when Debug-formatted. Read more

source

fn fmt_lower_hex(self) -> FmtLowerHex<Self> where
Self: LowerHex,

Causes self to use its LowerHex implementation when Debug-formatted. Read more

source

fn fmt_octal(self) -> FmtOctal<Self> where
Self: Octal,

Causes self to use its Octal implementation when Debug-formatted.

source

fn fmt_pointer(self) -> FmtPointer<Self> where
Self: Pointer,

Causes self to use its Pointer implementation when Debug-formatted. Read more

source

fn fmt_upper_exp(self) -> FmtUpperExp<Self> where
Self: UpperExp,

Causes self to use its UpperExp implementation when Debug-formatted. Read more

source

fn fmt_upper_hex(self) -> FmtUpperHex<Self> where
Self: UpperHex,

Causes self to use its UpperHex implementation when Debug-formatted. Read more

source

impl<T> From<T> for T

const: unstable · source

pub fn from(t: T) -> T

Performs the conversion.

source

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

const: unstable · source

pub fn into(self) -> U

Performs the conversion.

source

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

source

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.

source

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

source

fn pipe<R>(self, func: impl FnOnce(Self) -> R) -> R

Pipes by value. This is generally the method you want to use. Read more

source

fn pipe_ref<'a, R>(&'a self, func: impl FnOnce(&'a Self) -> R) -> R where
R: 'a,

Borrows self and passes that borrow into the pipe function. Read more

source

fn pipe_ref_mut<'a, R>(&'a mut self, func: impl FnOnce(&'a mut Self) -> R) -> R where
R: 'a,

Mutably borrows self and passes that borrow into the pipe function. Read more

source

fn pipe_borrow<'a, B, R>(&'a self, func: impl FnOnce(&'a B) -> R) -> R where
 Self: Borrow,
 B: 'a + ?Sized,
 R: 'a,

Borrows self, then passes self.borrow() into the pipe function. Read more

source

fn pipe_borrow_mut<'a, B, R>(
 &'a mut self,
 func: impl FnOnce(&'a mut B) -> R
) -> R where
 Self: BorrowMut,
 B: 'a + ?Sized,
 R: 'a,

Mutably borrows self, then passes self.borrow_mut() into the pipe function. Read more

source

fn pipe_as_ref<'a, U, R>(&'a self, func: impl FnOnce(&'a U) -> R) -> R where
 Self: AsRef,
 U: 'a + ?Sized,
 R: 'a,

Borrows self, then passes self.as_ref() into the pipe function.

source

fn pipe_as_mut<'a, U, R>(&'a mut self, func: impl FnOnce(&'a mut U) -> R) -> R where
 Self: AsMut,
 U: 'a + ?Sized,
 R: 'a,

Mutably borrows self, then passes self.as_mut() into the pipe function. Read more

source

fn pipe_deref<'a, T, R>(&'a self, func: impl FnOnce(&'a T) -> R) -> R where
 Self: Deref<Target = T>,
 T: 'a + ?Sized,
 R: 'a,

Borrows self, then passes self.deref() into the pipe function.

source

fn pipe_deref_mut<'a, T, R>(
 &'a mut self,
 func: impl FnOnce(&'a mut T) -> R
) -> R where
 Self: DerefMut<Target = T> + Deref,
 T: 'a + ?Sized,
 R: 'a,

Mutably borrows self, then passes self.deref_mut() into the pipe function. Read more

source

impl<T> Pipe for T

source

fn pipe<R>(self, func: impl FnOnce(Self) -> R) -> R

Pipes a value into a function that cannot ordinarily be called in suffix position. Read more

source

impl<T> PipeAsRef for T

source

fn pipe_as_ref<'a, T, R>(&'a self, func: impl FnOnce(&'a T) -> R) -> R where
 Self: AsRef<T>,
 T: 'a,
 R: 'a,

Pipes a trait borrow into a function that cannot normally be called in suffix position. Read more

source

fn pipe_as_mut<'a, T, R>(&'a mut self, func: impl FnOnce(&'a mut T) -> R) -> R where
 Self: AsMut<T>,
 T: 'a,
 R: 'a,

Pipes a trait mutable borrow into a function that cannot normally be called in suffix position. Read more

source

impl<T> PipeBorrow for T

source

fn pipe_borrow<'a, T, R>(&'a self, func: impl FnOnce(&'a T) -> R) -> R where
 Self: Borrow<T>,
 T: 'a,
 R: 'a,

Pipes a trait borrow into a function that cannot normally be called in suffix position. Read more

source

fn pipe_borrow_mut<'a, T, R>(
 &'a mut self,
 func: impl FnOnce(&'a mut T) -> R
) -> R where
 Self: BorrowMut<T>,
 T: 'a,
 R: 'a,

Pipes a trait mutable borrow into a function that cannot normally be called in suffix position. Read more

source

impl<T> PipeDeref for T

source

fn pipe_deref<'a, R>(&'a self, func: impl FnOnce(&'a Self::Target) -> R) -> R where
Self: Deref,
R: 'a,

Pipes a dereference into a function that cannot normally be called in suffix position. Read more

source

fn pipe_deref_mut<'a, R>(
 &'a mut self,
 func: impl FnOnce(&'a mut Self::Target) -> R
) -> R where
 Self: DerefMut,
 R: 'a,

Pipes a mutable dereference into a function that cannot normally be called in suffix position. Read more

source

impl<T> PipeRef for T

source

fn pipe_ref<'a, R>(&'a self, func: impl FnOnce(&'a Self) -> R) -> R where
R: 'a,

Pipes a reference into a function that cannot ordinarily be called in suffix position. Read more

source

fn pipe_mut<'a, R>(&'a mut self, func: impl FnOnce(&'a mut Self) -> R) -> R where
R: 'a,

Pipes a mutable reference into a function that cannot ordinarily be called in suffix position. Read more

source

impl<T> Tap for T

source

fn tap(self, func: impl FnOnce(&Self)) -> Self

Immutable access to a value. Read more

source

fn tap_mut(self, func: impl FnOnce(&mut Self)) -> Self

Mutable access to a value. Read more

source

fn tap_borrow(self, func: impl FnOnce(&B)) -> Self where
Self: Borrow,
B: ?Sized,

Immutable access to the Borrow of a value. Read more

source

fn tap_borrow_mut(self, func: impl FnOnce(&mut B)) -> Self where
Self: BorrowMut,
B: ?Sized,

Mutable access to the BorrowMut of a value. Read more

source

fn tap_ref<R>(self, func: impl FnOnce(&R)) -> Self where
Self: AsRef<R>,
R: ?Sized,

Immutable access to the AsRef<R> view of a value. Read more

source

fn tap_ref_mut<R>(self, func: impl FnOnce(&mut R)) -> Self where
Self: AsMut<R>,
R: ?Sized,

Mutable access to the AsMut<R> view of a value. Read more

source

fn tap_deref<T>(self, func: impl FnOnce(&T)) -> Self where
Self: Deref<Target = T>,
T: ?Sized,

Immutable access to the Deref::Target of a value. Read more

source

fn tap_deref_mut<T>(self, func: impl FnOnce(&mut T)) -> Self where
Self: DerefMut<Target = T> + Deref,
T: ?Sized,

Mutable access to the Deref::Target of a value. Read more

source

fn tap_dbg(self, func: impl FnOnce(&Self)) -> Self

Calls .tap() only in debug builds, and is erased in release builds.

source

fn tap_mut_dbg(self, func: impl FnOnce(&mut Self)) -> Self

Calls .tap_mut() only in debug builds, and is erased in release builds. Read more

source

fn tap_borrow_dbg(self, func: impl FnOnce(&B)) -> Self where
Self: Borrow,
B: ?Sized,

Calls .tap_borrow() only in debug builds, and is erased in release builds. Read more

source

fn tap_borrow_mut_dbg(self, func: impl FnOnce(&mut B)) -> Self where
Self: BorrowMut,
B: ?Sized,

Calls .tap_borrow_mut() only in debug builds, and is erased in release builds. Read more

source

fn tap_ref_dbg<R>(self, func: impl FnOnce(&R)) -> Self where
Self: AsRef<R>,
R: ?Sized,

Calls .tap_ref() only in debug builds, and is erased in release builds. Read more

source

fn tap_ref_mut_dbg<R>(self, func: impl FnOnce(&mut R)) -> Self where
Self: AsMut<R>,
R: ?Sized,

Calls .tap_ref_mut() only in debug builds, and is erased in release builds. Read more

source

fn tap_deref_dbg<T>(self, func: impl FnOnce(&T)) -> Self where
Self: Deref<Target = T>,
T: ?Sized,

Calls .tap_deref() only in debug builds, and is erased in release builds. Read more

source

fn tap_deref_mut_dbg<T>(self, func: impl FnOnce(&mut T)) -> Self where
Self: DerefMut<Target = T> + Deref,
T: ?Sized,

Calls .tap_deref_mut() only in debug builds, and is erased in release builds. Read more

source

impl<T> Tap for T

source

fn tap<F, R>(self, func: F) -> Self where
F: FnOnce(&Self) -> R,

Provides immutable access for inspection. Read more

source

fn tap_dbg<F, R>(self, func: F) -> Self where
F: FnOnce(&Self) -> R,

Calls tap in debug builds, and does nothing in release builds.

source

fn tap_mut<F, R>(self, func: F) -> Self where
F: FnOnce(&mut Self) -> R,

Provides mutable access for modification. Read more

source

fn tap_mut_dbg<F, R>(self, func: F) -> Self where
F: FnOnce(&mut Self) -> R,

Calls tap_mut in debug builds, and does nothing in release builds.

source

impl<T, U> TapAsRef for T where
U: ?Sized,

source

fn tap_ref<F, R>(self, func: F) -> Self where
Self: AsRef<T>,
F: FnOnce(&T) -> R,

Provides immutable access to the reference for inspection.

source

fn tap_ref_dbg<F, R>(self, func: F) -> Self where
Self: AsRef<T>,
F: FnOnce(&T) -> R,

Calls tap_ref in debug builds, and does nothing in release builds.

source

fn tap_ref_mut<F, R>(self, func: F) -> Self where
Self: AsMut<T>,
F: FnOnce(&mut T) -> R,

Provides mutable access to the reference for modification.

source

fn tap_ref_mut_dbg<F, R>(self, func: F) -> Self where
Self: AsMut<T>,
F: FnOnce(&mut T) -> R,

Calls tap_ref_mut in debug builds, and does nothing in release builds.

source

impl<T, U> TapBorrow for T where
U: ?Sized,

source

fn tap_borrow<F, R>(self, func: F) -> Self where
Self: Borrow<T>,
F: FnOnce(&T) -> R,

Provides immutable access to the borrow for inspection. Read more

source

fn tap_borrow_dbg<F, R>(self, func: F) -> Self where
Self: Borrow<T>,
F: FnOnce(&T) -> R,

Calls tap_borrow in debug builds, and does nothing in release builds.

source

fn tap_borrow_mut<F, R>(self, func: F) -> Self where
Self: BorrowMut<T>,
F: FnOnce(&mut T) -> R,

Provides mutable access to the borrow for modification.

source

fn tap_borrow_mut_dbg<F, R>(self, func: F) -> Self where
Self: BorrowMut<T>,
F: FnOnce(&mut T) -> R,

Calls tap_borrow_mut in debug builds, and does nothing in release builds. Read more

source

impl<T> TapDeref for T

source

fn tap_deref<F, R>(self, func: F) -> Self where
Self: Deref,
F: FnOnce(&Self::Target) -> R,

Immutably dereferences self for inspection.

source

fn tap_deref_dbg<F, R>(self, func: F) -> Self where
Self: Deref,
F: FnOnce(&Self::Target) -> R,

Calls tap_deref in debug builds, and does nothing in release builds.

source

fn tap_deref_mut<F, R>(self, func: F) -> Self where
Self: DerefMut,
F: FnOnce(&mut Self::Target) -> R,

Mutably dereferences self for modification.

source

fn tap_deref_mut_dbg<F, R>(self, func: F) -> Self where
Self: DerefMut,
F: FnOnce(&mut Self::Target) -> R,

Calls tap_deref_mut in debug builds, and does nothing in release builds. Read more

source

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

type Owned = T

The resulting type after obtaining ownership.

source

pub fn to_owned(&self) -> T

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

source

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

source

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

source

pub default fn to_string(&self) -> String

Converts the given value to a String. Read more

source

impl<T> TryConv for T

source

fn try_conv<T>(self) -> Result<T, Self::Error> where
Self: TryInto<T>,

Attempts to convert self into T using TryInto<T>. Read more

source

impl<T> TryConv for T

source

fn try_conv<T>(self) -> Result<T, Self::Error> where
Self: TryInto<T>,

Attempts to convert self into a target type. Read more

source

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.

source

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.

source

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

source

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

source

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

source

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

source

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

source

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

source

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

source

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

source

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

source

Struct scale_info::prelude::num::NonZeroU8

Implementations

impl NonZeroU8

pub const unsafe fn new_unchecked(n: u8) -> NonZeroU8

pub const fn new(n: u8) -> Option<NonZeroU8>

pub const fn get(self) -> u8

impl NonZeroU8

pub const fn leading_zeros(self) -> u32

pub const fn trailing_zeros(self) -> u32

impl NonZeroU8

pub const fn checked_add(self, other: u8) -> Option<NonZeroU8>

pub const fn saturating_add(self, other: u8) -> NonZeroU8

pub const unsafe fn unchecked_add(self, other: u8) -> NonZeroU8

pub const fn checked_next_power_of_two(self) -> Option<NonZeroU8>

pub const fn log2(self) -> u32

pub const fn log10(self) -> u32

impl NonZeroU8

pub const fn checked_mul(self, other: NonZeroU8) -> Option<NonZeroU8>

pub const fn saturating_mul(self, other: NonZeroU8) -> NonZeroU8

pub const unsafe fn unchecked_mul(self, other: NonZeroU8) -> NonZeroU8

pub const fn checked_pow(self, other: u32) -> Option<NonZeroU8>

pub const fn saturating_pow(self, other: u32) -> NonZeroU8

impl NonZeroU8

pub const fn is_power_of_two(self) -> bool

Trait Implementations

impl Binary for NonZeroU8

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

impl BitOr<NonZeroU8> for NonZeroU8

type Output = NonZeroU8

pub fn bitor(self, rhs: NonZeroU8) -> <NonZeroU8 as BitOr<NonZeroU8>>::Output

impl BitOr<NonZeroU8> for u8

type Output = NonZeroU8

pub fn bitor(self, rhs: NonZeroU8) -> <u8 as BitOr<NonZeroU8>>::Output

impl BitOr<u8> for NonZeroU8

type Output = NonZeroU8

pub fn bitor(self, rhs: u8) -> <NonZeroU8 as BitOr<u8>>::Output

impl BitOrAssign<NonZeroU8> for NonZeroU8

pub fn bitor_assign(&mut self, rhs: NonZeroU8)

impl BitOrAssign<u8> for NonZeroU8

pub fn bitor_assign(&mut self, rhs: u8)

impl Clone for NonZeroU8

pub fn clone(&self) -> NonZeroU8

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

impl Debug for NonZeroU8

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

impl Decode for NonZeroU8

pub fn decode<I>(input: &mut I) -> Result<NonZeroU8, Error> where I: Input,

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

fn encoded_fixed_size() -> Option<usize>

impl<'de> Deserialize<'de> for NonZeroU8

pub fn deserialize<D>( deserializer: D) -> Result<NonZeroU8, <D as Deserializer<'de>>::Error> where D: Deserializer<'de>,

impl Display for NonZeroU8

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

impl Div<NonZeroU8> for u8

pub fn div(self, other: NonZeroU8) -> u8

type Output = u8

impl Encode for NonZeroU8

pub fn size_hint(&self) -> usize

pub fn encode_to<W>(&self, dest: &mut W) where W: 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 encoded_size(&self) -> usize

impl From<NonZeroU8> for NonZeroI64

pub fn from(small: NonZeroU8) -> NonZeroI64

impl From<NonZeroU8> for NonZeroUsize

pub fn from(small: NonZeroU8) -> NonZeroUsize

impl From<NonZeroU8> for NonZeroU32

pub fn from(small: NonZeroU8) -> NonZeroU32

impl From<NonZeroU8> for NonZeroI16

pub fn from(small: NonZeroU8) -> NonZeroI16

impl From<NonZeroU8> for NonZeroIsize

pub fn from(small: NonZeroU8) -> NonZeroIsize

impl From<NonZeroU8> for NonZeroI32

pub fn from(small: NonZeroU8) -> NonZeroI32

impl From<NonZeroU8> for NonZeroU64

pub fn from(small: NonZeroU8) -> NonZeroU64

impl From<NonZeroU8> for NonZeroU16

pub fn from(small: NonZeroU8) -> NonZeroU16

impl From<NonZeroU8> for NonZeroU128

pub fn from(small: NonZeroU8) -> NonZeroU128

pub fn decode<I>(input: &mut I) -> Result<NonZeroU8, Error> where
I: Input,

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

pub fn deserialize<D>(
deserializer: D
) -> Result<NonZeroU8, <D as Deserializer<'de>>::Error> where
D: Deserializer<'de>,

pub fn encode_to<W>(&self, dest: &mut W) where
W: 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,

pub fn hash<H>(&self, state: &mut H) where
__H: Hasher,

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

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

pub fn try_from(
value: NonZeroI128
) -> Result<NonZeroU8, <NonZeroU8 as TryFrom<NonZeroI128>>::Error>

pub fn try_from(
value: NonZeroI16
) -> Result<NonZeroU8, <NonZeroU8 as TryFrom<NonZeroI16>>::Error>

pub fn try_from(
value: NonZeroI32
) -> Result<NonZeroU8, <NonZeroU8 as TryFrom<NonZeroI32>>::Error>

pub fn try_from(
value: NonZeroI64
) -> Result<NonZeroU8, <NonZeroU8 as TryFrom<NonZeroI64>>::Error>

pub fn try_from(
value: NonZeroI8
) -> Result<NonZeroU8, <NonZeroU8 as TryFrom<NonZeroI8>>::Error>

pub fn try_from(
value: NonZeroIsize
) -> Result<NonZeroU8, <NonZeroU8 as TryFrom<NonZeroIsize>>::Error>