Function rustc_lexer::first_token

pub fn first_token(input: &str) -> Token

⚙️ This is an internal compiler API. (rustc_private)

This crate is being loaded from the sysroot, a permanently unstable location for private compiler dependencies. It is not intended for general use. Prefer using a public version of this crate from crates.io via Cargo.toml.

Parses the first token from the provided input string.