Struct PatternMatcher 

pub struct PatternMatcher {
    pub pattern: Vec<String>,
}

A simple token pattern matcher for notation expansion.

Fields

pattern: Vec<String>

The pattern to match (tokens separated by spaces, _ = hole)

Implementations

impl PatternMatcher

pub fn from_str(s: &str) -> Self

Create from a pattern string.

pub fn hole_count(&self) -> usize

Count holes (underscores) in the pattern.

pub fn all_holes(&self) -> bool

Returns true if the pattern is entirely holes.

Trait Implementations

impl Clone for PatternMatcher

fn clone(&self) -> PatternMatcher

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for PatternMatcher

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

Formats the value using the given formatter.