Function rustc_mir::util::suggest_ref_mut[][src]

pub fn suggest_ref_mut<'cx, 'gcx, 'tcx>(
    tcx: TyCtxt<'cx, 'gcx, 'tcx>,
    pattern_span: Span
) -> Option<(Span, 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?

If possible, suggest replacing ref with ref mut.