expr_parser::token::charset

Trait CharSet

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pub trait CharSet<C>: Default {
    type TokenKind;
    type Error;

    // Required methods
    fn next_char(&mut self, c: C) -> CharSetResult<Self::TokenKind, Self::Error>;
    fn end_of_input(self) -> Result<Option<Self::TokenKind>, Self::Error>;
}

Required Associated Types§

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type TokenKind

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type Error

Required Methods§

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fn next_char(&mut self, c: C) -> CharSetResult<Self::TokenKind, Self::Error>

Categorize a charcter while continuing a potential token.

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fn end_of_input(self) -> Result<Option<Self::TokenKind>, Self::Error>

What token kind (if any) to return if end of input is reached.

Dyn Compatibility§

This trait is not dyn compatible.

In older versions of Rust, dyn compatibility was called "object safety", so this trait is not object safe.

Implementors§