[][src]Function syntax::attr::builtin::find_deprecation

pub fn find_deprecation(
    diagnostic: &Handler,
    attrs: &[Attribute],
    item_sp: Span
) -> Option<Deprecation>
🔬 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?

Find the deprecation attribute. None if none exists.