Struct PatternMatrix 

pub struct PatternMatrix {
    pub rows: Vec<PatternRow>,
}

The pattern matrix used in match compilation

Fields

rows: Vec<PatternRow>

Implementations

impl PatternMatrix

pub fn width(&self) -> usize

Get the width (number of columns) of the matrix

pub fn all_wildcards(&self) -> bool

Check if all patterns in the first column are wildcards

pub fn remove_column(&self, col: usize) -> PatternMatrix

Remove a column from the matrix

pub fn specialize(&self, col: usize, ctor: &CtorKind) -> PatternMatrix

Specialize the matrix for a constructor

pub fn specialize_literal(&self, col: usize, lit: &LitPat) -> PatternMatrix

Specialize the matrix for a literal

pub fn default(&self, col: usize) -> PatternMatrix

Get rows that don’t match any specific constructor (default matrix)

Trait Implementations

impl Clone for PatternMatrix

fn clone(&self) -> PatternMatrix

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for PatternMatrix

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

Formats the value using the given formatter.