Enum NonTerminalType 

pub enum NonTerminalType {
    Star,
    PlusLeft,
    PlusRight,
    Optional,
    Augmented,
    Error,
    TerminalSet,
    Lookahead,
    Group,
    LiteralString,
}

If the non-terminal is auto-generated, the pattern where this non-terminal was generated from.

Variants

Star

zero or more repetitions

PlusLeft

one or more repetitions with left recursion

PlusRight

one or more repetitions with right recursion

Optional

zero or one repetition

Augmented

Augmented rule

Error

error recovery non-terminal

TerminalSet

terminal set enclosed in brackets ( [a-zA-Z0-9] )

Lookahead

rule with explicit lookaheads

Group

sequence of tokens enclosed in parentheses ( a B c … )

LiteralString

“abc” or b“abc“

Trait Implementations

impl Clone for NonTerminalType

fn clone(&self) -> NonTerminalType

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for NonTerminalType

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

Formats the value using the given formatter.

impl PartialEq for NonTerminalType

fn eq(&self, other: &NonTerminalType) -> 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 NonTerminalType

impl Eq for NonTerminalType

impl StructuralPartialEq for NonTerminalType