Function syntax::fold::noop_fold_arm

pub fn noop_fold_arm<T: Folder>(
    Arm { attrs: attrs, pats: pats, guard: guard, body: body, beginning_vert: beginning_vert }: Arm, 
    fld: &mut T
) -> Arm

🔬 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?