Function syntax::feature_gate::check_crate

pub fn check_crate(
    krate: &Crate, 
    parse_sess: &ParseSess, 
    features: &Features, 
    unstable: UnstableFeatures
)

⚙️ 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.