ScalarTypeHint

Enum ScalarTypeHint 

Source
pub enum ScalarTypeHint {
Show 18 variants Bool, U8, U16, U32, U64, U128, Usize, I8, I16, I32, I64, I128, Isize, F32, F64, String, Bytes, Char,
}
Expand description

Hint for what scalar type is expected next.

Used by non-self-describing formats to know how to decode the next value.

Variants§

§

Bool

Boolean (postcard: 0 or 1 byte)

§

U8

Unsigned 8-bit integer (postcard: raw byte)

§

U16

Unsigned 16-bit integer (postcard: varint)

§

U32

Unsigned 32-bit integer (postcard: varint)

§

U64

Unsigned 64-bit integer (postcard: varint)

§

U128

Unsigned 128-bit integer (postcard: varint)

§

Usize

Platform-sized unsigned integer (postcard: varint)

§

I8

Signed 8-bit integer (postcard: zigzag varint)

§

I16

Signed 16-bit integer (postcard: zigzag varint)

§

I32

Signed 32-bit integer (postcard: zigzag varint)

§

I64

Signed 64-bit integer (postcard: zigzag varint)

§

I128

Signed 128-bit integer (postcard: zigzag varint)

§

Isize

Platform-sized signed integer (postcard: zigzag varint)

§

F32

32-bit float (postcard: 4 bytes little-endian)

§

F64

64-bit float (postcard: 8 bytes little-endian)

§

String

UTF-8 string (postcard: varint length + bytes)

§

Bytes

Raw bytes (postcard: varint length + bytes)

§

Char

Character (postcard: UTF-8 encoded)

Trait Implementations§

Source§

impl Clone for ScalarTypeHint

Source§

fn clone(&self) -> ScalarTypeHint

Returns a duplicate 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 ScalarTypeHint

Source§

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

Formats the value using the given formatter. Read more
Source§

impl PartialEq for ScalarTypeHint

Source§

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

Tests for self and other values to be equal, and is used by ==.
1.0.0 · Source§

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

Tests for !=. The default implementation is almost always sufficient, and should not be overridden without very good reason.
Source§

impl Copy for ScalarTypeHint

Source§

impl Eq for ScalarTypeHint

Source§

impl StructuralPartialEq for ScalarTypeHint

Auto Trait Implementations§

Blanket Implementations§

Source§

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

Source§

fn type_id(&self) -> TypeId

Gets the TypeId of self. Read more
Source§

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

Source§

fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more
Source§

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

Source§

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

Mutably borrows from an owned value. Read more
Source§

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

Source§

unsafe fn clone_to_uninit(&self, dest: *mut u8)

🔬This is a nightly-only experimental API. (clone_to_uninit)
Performs copy-assignment from self to dest. Read more
Source§

impl<T> From<T> for T

Source§

fn from(t: T) -> T

Returns the argument unchanged.

Source§

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

Source§

fn into(self) -> U

Calls U::from(self).

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

Source§

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

Source§

type Owned = T

The resulting type after obtaining ownership.
Source§

fn to_owned(&self) -> T

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

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

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

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

Source§

type Error = Infallible

The type returned in the event of a conversion error.
Source§

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

Performs the conversion.
Source§

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

Source§

type Error = <U as TryFrom<T>>::Error

The type returned in the event of a conversion error.
Source§

fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>

Performs the conversion.