Function syntax::attr::mk_spanned_list_item

pub fn mk_spanned_list_item(
    sp: Span, 
    name: Name, 
    items: Vec<NestedMetaItem>
) -> MetaItem

🔬 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?