Struct PeekValue

Source
pub struct PeekValue<'mem> { /* private fields */ }
Expand description

Lets you read from a value (implements read-only ValueVTable proxies)

Implementations§

Source§

impl<'mem> PeekValue<'mem>

Source

pub fn vtable(&self) -> &'static ValueVTable

Returns the vtable

Source

pub fn eq(&self, other: &PeekValue<'_>) -> Option<bool>

Returns true if this scalar is equal to the other scalar

§Returns

false if equality comparison is not supported for this scalar type

Source

pub fn partial_cmp(&self, other: &PeekValue<'_>) -> Option<Ordering>

Compares this scalar with another and returns their ordering

§Returns

None if comparison is not supported for this scalar type

Source

pub fn cmp(&self, other: &PeekValue<'_>) -> Option<Ordering>

Compares this scalar with another and returns their ordering

§Returns

None if comparison is not supported for this scalar type

Source

pub fn gt(&self, other: &PeekValue<'_>) -> bool

Returns true if this scalar is greater than the other scalar

§Returns

false if comparison is not supported for this scalar type

Source

pub fn gte(&self, other: &PeekValue<'_>) -> bool

Returns true if this scalar is greater than or equal to the other scalar

§Returns

false if comparison is not supported for this scalar type

Source

pub fn lt(&self, other: &PeekValue<'_>) -> bool

Returns true if this scalar is less than the other scalar

§Returns

false if comparison is not supported for this scalar type

Source

pub fn lte(&self, other: &PeekValue<'_>) -> bool

Returns true if this scalar is less than or equal to the other scalar

§Returns

false if comparison is not supported for this scalar type

Source

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

Formats this scalar for display

§Returns

None if display formatting is not supported for this scalar type

Source

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

Formats this scalar for debug

§Returns

None if debug formatting is not supported for this scalar type

Source

pub fn hash<H: Hasher>(&self, hasher: &mut H) -> bool

Hashes this scalar

§Returns

false if hashing is not supported for this scalar type, true otherwise

Source

pub fn type_name(&self, f: &mut Formatter<'_>, opts: TypeNameOpts) -> Result

Returns the type name of this scalar

§Arguments
  • f - A mutable reference to a core::fmt::Formatter
  • opts - The TypeNameOpts to use for formatting
§Returns

The result of the type name formatting

Source

pub const fn shape(&self) -> &'static Shape

Returns the shape

Source

pub const fn data(&self) -> OpaqueConst<'mem>

Returns the data

Source

pub fn wrap(self) -> Peek<'mem>

Wraps this scalar back into a Peek

Source

pub fn scalar_type(&self) -> Option<ScalarType>

Get the scalar type if set.

Trait Implementations§

Source§

impl<'mem> Clone for PeekValue<'mem>

Source§

fn clone(&self) -> PeekValue<'mem>

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 PeekValue<'_>

Source§

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

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

impl Display for PeekValue<'_>

Source§

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

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

impl PartialEq for PeekValue<'_>

Source§

fn eq(&self, other: &Self) -> 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 PartialOrd for PeekValue<'_>

Source§

fn partial_cmp(&self, other: &Self) -> 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

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

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

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

Tests greater than or equal to (for self and other) and is used by the >= operator. Read more
Source§

impl<'mem> Copy for PeekValue<'mem>

Auto Trait Implementations§

§

impl<'mem> Freeze for PeekValue<'mem>

§

impl<'mem> RefUnwindSafe for PeekValue<'mem>

§

impl<'mem> Send for PeekValue<'mem>

§

impl<'mem> Sync for PeekValue<'mem>

§

impl<'mem> Unpin for PeekValue<'mem>

§

impl<'mem> UnwindSafe for PeekValue<'mem>

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

Source§

fn to_string(&self) -> String

Converts the given value to a String. 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.