Function rustc::session::config::nightly_options::is_unstable_enabled [−] [src]

pub fn is_unstable_enabled(matches: &Matches) -> 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?

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