Struct Pattern 

pub struct Pattern(/* private fields */);

A NATS-style matcher over Address.

• a literal segment matches itself
• * matches exactly one segment
• > matches one-or-more remaining segments, and is legal only as the final token

The “only final” rule is enforced at Pattern::parse, not at match time: an ill-formed pattern never becomes a value.

Implementations

impl Pattern

pub fn parse(s: &str) -> Result<Self, PatternError>

Parse a dot-joined pattern.

pub fn exact(address: &Address) -> Self

The exact-match pattern for one address — every token literal, no wildcards.

pub fn tokens(&self) -> &[PatternToken]

The tokens, left to right.

pub fn matches(&self, address: &Address) -> bool

Whether this pattern matches address.

Linear, single pass: because > can only be final, there is no backtracking to do.

Trait Implementations

impl Clone for Pattern

fn clone(&self) -> Pattern

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for Pattern

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

Formats the value using the given formatter.

impl<'de> Deserialize<'de> for Pattern

fn deserialize<__D>(__deserializer: __D) -> Result<Self, __D::Error>

where __D: Deserializer<'de>,

Deserialize this value from the given Serde deserializer.

impl Display for Pattern

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

Formats the value using the given formatter.

impl Eq for Pattern

impl From<Pattern> for String

fn from(v: Pattern) -> Self

Converts to this type from the input type.

impl FromStr for Pattern

type Err = PatternError

The associated error which can be returned from parsing.

fn from_str(s: &str) -> Result<Self, Self::Err>

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

impl Hash for Pattern

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

Feeds this value into the given Hasher.

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

where H: Hasher, Self: Sized,

Feeds a slice of this type into the given Hasher.

impl PartialEq for Pattern

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

Equality operator ==.

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

Inequality operator !=.

impl Serialize for Pattern

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

where __S: Serializer,

Serialize this value into the given Serde serializer.

impl StructuralPartialEq for Pattern

impl TryFrom<String> for Pattern

type Error = PatternError

The type returned in the event of a conversion error.

fn try_from(s: String) -> Result<Self, Self::Error>

Performs the conversion.