Function syntax::attr::mk_attr_inner

pub fn mk_attr_inner(span: Span, id: AttrId, item: MetaItem) -> Attribute

🔬 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?

Returns an inner attribute with the given value.