[][src]Function rustc::util::ppaux::with_highlight_region

pub fn with_highlight_region<R>(
    r: RegionVid,
    counter: usize,
    op: impl FnOnce() -> R
) -> R
🔬 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?