Function rustc::ty::keep_local

pub fn keep_local<'tcx, T: TypeFoldable<'tcx>>(x: &T) -> bool

🔬 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?