Function syntax_ext::proc_macro_registrar::modify [] [src]

pub fn modify(
    sess: &ParseSess,
    resolver: &mut Resolver,
    krate: Crate,
    is_proc_macro_crate: bool,
    is_test_crate: bool,
    num_crate_types: usize,
    handler: &Handler
) -> Crate
🔬 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?