[][src]Constant rustc::hir::map::definitions::FIRST_FREE_HIGH_DEF_INDEX

pub const FIRST_FREE_HIGH_DEF_INDEX: usize
🔬 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?