Constant rustc::session::config::cg_type_desc::parse_opt_string[][src]

pub const parse_opt_string: Option<&'static str> = Some("a string")
🔬 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?