Struct StatePath 

pub struct StatePath { /* private fields */ }

A path into a state tree.

Implementations

impl StatePath

pub fn root() -> Self

The root path (empty components).

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

Parse a path from a string like “/nodes/0/hostname”.

pub fn components(&self) -> &[PathComponent]

Return the path components.

pub fn is_root(&self) -> bool

Whether this is the root path.

pub fn parent(&self) -> Option<Self>

Return the parent path (or None if this is root).

pub fn last(&self) -> Option<&PathComponent>

Return the last component (or None if this is root).

pub fn push_key(&self, key: impl Into<String>) -> Self

Append a key component.

pub fn push_index(&self, index: usize) -> Self

Append an index component.

pub fn depth(&self) -> usize

Number of components in this path.

Trait Implementations

impl Clone for StatePath

fn clone(&self) -> Self

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for StatePath

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

Formats the value using the given formatter.

impl<'de> Deserialize<'de> for StatePath

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

where __D: Deserializer<'de>,

Deserialize this value from the given Serde deserializer.

impl Display for StatePath

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

Formats the value using the given formatter.

impl Eq for StatePath

impl Hash for StatePath

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 StatePath

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

Equality operator ==.

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

Inequality operator !=.

impl Serialize for StatePath

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 StatePath