Trait CustomNode 

pub trait CustomNode: ParseRecoverable + ToTokens {
    // Required method
    fn peek_element(input: ParseStream<'_>) -> bool;
}

Required Methods

fn peek_element(input: ParseStream<'_>) -> bool

Peeks the token stream to decide whether this node should be parsed.

Recieves a ParseStream::fork.

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 CustomNode for Infallible