Function syntax::parse::new_parser_from_source_str

pub fn new_parser_from_source_str(
    sess: &ParseSess, 
    name: FileName, 
    source: String
) -> Parser

🔬 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?