Struct PatternCollapse

pub struct PatternCollapse { /* private fields */ }

Collapses node labels through a regular-expression capture replacement.

Implementations

impl PatternCollapse

pub const DEFAULT_REPLACEMENT: &'static str = "$1"

The Rust regex spelling for the first capture group.

pub fn new( expression: impl AsRef<str>, replacement: impl Into<String>, ) -> Result<Self, GraphQueryError>

Compiles a collapse expression with an explicit Rust regex replacement.

pub fn first_capture( expression: impl AsRef<str>, ) -> Result<Self, GraphQueryError>

Compiles a collapse expression that replaces a match with its first capture group.

pub const fn pattern(&self) -> &Pattern

Returns the compiled collapse pattern.

pub fn replacement(&self) -> &str

Returns the Rust regex replacement expression.

Trait Implementations

impl Clone for PatternCollapse

fn clone(&self) -> PatternCollapse

Returns a copy of the value.

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

Performs copy-assignment from source.

impl Debug for PatternCollapse

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

Formats the value using the given formatter.