Trait Parser

pub trait Parser: Sized {
    type Output;

    // Required method
    fn parse(self, tokens: TokenStream) -> Result<Self::Output>;
}

A parser that can parse a stream of tokens into a syntax tree node.

Required Associated Types

type Output

The return type of this parser.

Required Methods

fn parse(self, tokens: TokenStream) -> Result<Self::Output>

Parses a TokenStream into the relevant syntax tree node.

Errors

This function returns an error if source doesn’t contain a valid instance of T.

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

impl<F: FnOnce(ParseStream<'_>) -> Result<T>, T> Parser for F

type Output = T