Struct Path 

pub struct Path { /* private fields */ }

Path through the graph (history of traversed elements)

Implementations

impl Path

pub fn new() -> Path

Create empty path

pub fn start(value: TraverserValue) -> Path

Create path starting with an element

pub fn extend(&mut self, value: TraverserValue)

Extend path with a new element

pub fn extend_with_label(&mut self, value: TraverserValue, label: String)

Extend with label

pub fn add_label(&mut self, label: String)

Add label to last element

pub fn objects(&self) -> &[TraverserValue]

Get objects in path

pub fn labels_at(&self, index: usize) -> &[String]

Get labels at position

pub fn get(&self, label: &str) -> Option<&TraverserValue>

Get object by label

pub fn get_all(&self, label: &str) -> Vec<&TraverserValue>

Get all objects by label (if multiple positions have same label)

pub fn has_label(&self, label: &str) -> bool

Check if path has label

pub fn len(&self) -> usize

Path length

pub fn is_empty(&self) -> bool

Check if empty

pub fn head(&self) -> Option<&TraverserValue>

Get head (last element)

pub fn clone_and_extend(&self, value: TraverserValue) -> Path

Clone path and extend

pub fn to_json(&self) -> Value

Convert to JSON

pub fn retract(&mut self, keep_labels: &[String])

Retract path to only keep elements with specified labels

Trait Implementations

impl Clone for Path

fn clone(&self) -> Path

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for Path

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

Formats the value using the given formatter.

impl Default for Path

fn default() -> Path

Returns the “default value” for a type.