Enum Prefix 

pub enum Prefix {
    Single(String),
    Multi(Vec<String>),
}

A prefix specification that accepts either a single string or a list of strings for multi-prefix support.

Variants

Single(String)

A single key prefix.

Multi(Vec<String>)

Multiple key prefixes for multi-prefix indexes.

Implementations

impl Prefix

pub fn first(&self) -> &str

Returns the first (or only) prefix string.

pub fn all(&self) -> Vec<&str>

Returns all prefixes as a slice-like view.

pub fn len(&self) -> usize

Returns the number of prefixes.

pub fn is_empty(&self) -> bool

Returns true if no prefixes are configured.

Trait Implementations

impl Clone for Prefix

fn clone(&self) -> Prefix

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for Prefix

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

Formats the value using the given formatter.

impl Default for Prefix

fn default() -> Self

Returns the “default value” for a type.

impl<'de> Deserialize<'de> for Prefix

fn deserialize<D>(deserializer: D) -> Result<Self, D::Error>

where D: Deserializer<'de>,

Deserialize this value from the given Serde deserializer.

impl Serialize for Prefix

fn serialize<__S>(&self, __serializer: __S) -> Result<__S::Ok, __S::Error>

where __S: Serializer,

Serialize this value into the given Serde serializer.