Function syntax::ext::tt::macro_parser::parse

pub fn parse(
    sess: &ParseSess, 
    tts: TokenStream, 
    ms: &[TokenTree], 
    directory: Option<Directory>, 
    recurse_into_modules: bool
) -> NamedParseResult

🔬 This is a nightly-only experimental API. (rustc_private)

this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via Cargo.toml instead?