[][src]Function syntax_ext::test::expand_bench

pub fn expand_bench(
    cx: &mut ExtCtxt,
    attr_sp: Span,
    _meta_item: &MetaItem,
    item: Annotatable
) -> Vec<Annotatable>
🔬 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?