Enum deno_kv::KeyPart

pub enum KeyPart {
    Bytes(Vec<u8>),
    String(String),
    Int(BigInt),
    Float(f64),
    False,
    True,
}

A key part is single item in a key. It can be a boolean, a double float, a variable precision signed integer, a UTF-8 string, or an arbitrary byte array.

The ordering of a KeyPart is dependent on the type of the KeyPart.

Between different types, the ordering is as follows: arbitrary byte array < UTF-8 string < variable precision signed integer < double float < false < true.

Within a type, the ordering is as follows:

• For a boolean, false is less than true.
• For a double float, the ordering must follow -NaN < -Infinity < -100.0 < -1.0 < -0.5 < -0.0 < 0.0 < 0.5 < 1.0 < 100.0 < Infinity < NaN.
• For a variable precision signed integer, the ordering must follow mathematical ordering.
• For a UTF-8 string, the ordering must follow the UTF-8 byte ordering.
• For an arbitrary byte array, the ordering must follow the byte ordering.

This means that the key part 1.0 is less than the key part 2.0, but is greater than the key part 0n, because 1.0 is a double float and 0n is a variable precision signed integer, and the ordering types obviously has precedence over the ordering within a type.

Variants

Bytes(Vec<u8>)

String(String)

Int(BigInt)

Float(f64)

False

True

Trait Implementations

impl Clone for KeyPart

fn clone(&self) -> KeyPart

Returns a copy of the value.

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

Performs copy-assignment from source.

impl Debug for KeyPart

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

Formats the value using the given formatter.

impl From<AnyValue> for KeyPart

fn from(value: AnyValue) -> Self

Converts to this type from the input type.

impl From<KeyPart> for AnyValue

fn from(value: KeyPart) -> Self

Converts to this type from the input type.

impl Ord for KeyPart

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

This method returns an Ordering between self and other.

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

Compares and returns the maximum of two values.

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

Compares and returns the minimum of two values.

fn clamp(self, min: Self, max: Self) -> Selfwhere Self: Sized + PartialOrd<Self>,

Restrict a value to a certain interval.

impl PartialEq<KeyPart> for KeyPart

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

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

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

This method tests for !=. The default implementation is almost always sufficient, and should not be overridden without very good reason.

impl PartialOrd<KeyPart> for KeyPart

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

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

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

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

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

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

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

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

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

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

impl Eq for KeyPart