Enum Bar4State 

pub enum Bar4State {
    Tracker,
    Descender,
    Ascender,
    Full,
}

A single bar in a 4-state postal code.

Variants

Tracker

Short bar centered vertically (codeword digit 0).

Descender

Bar that extends from the centerline down to the baseline (digit 1).

Ascender

Bar that extends from the top down to the centerline (digit 2).

Full

Full-height bar (digit 3).

Implementations

impl Bar4State

pub fn from_digit(d: u8) -> Option<Self>

Construct from a 0..=3 codeword (returns None for other values).

pub fn has_ascender(self) -> bool

Whether the bar reaches the top of the symbol (Ascender or Full).

pub fn has_descender(self) -> bool

Whether the bar reaches the bottom (Descender or Full).

Trait Implementations

impl Clone for Bar4State

fn clone(&self) -> Bar4State

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for Bar4State

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

Formats the value using the given formatter.

impl PartialEq for Bar4State

fn eq(&self, other: &Bar4State) -> bool

Tests for self and other values to be equal, and is used by ==.

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

Tests for !=. The default implementation is almost always sufficient, and should not be overridden without very good reason.

impl Copy for Bar4State

impl Eq for Bar4State

impl StructuralPartialEq for Bar4State