Trait lindenmayer_system::DualAlphabet

pub trait DualAlphabet: Alphabet {
type Terminal;
type NonTerminal: PartialOrd + Ord + Clone;
    fn nonterminal(&self) -> Option<&Self::NonTerminal>;
    fn terminal(&self) -> Option<&Self::Terminal>;
}

An alphabet that distinguishes between terminal and non-terminal symbols.

Associated Types

type Terminal

type NonTerminal: PartialOrd + Ord + Clone

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Required methods

fn nonterminal(&self) -> Option<&Self::NonTerminal>

If the character is a non-terminal, return Some(..). Otherwise return None.

fn terminal(&self) -> Option<&Self::Terminal>

If the character is a terminal, return Some(..). Otherwise return None.

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Implementors

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