Function rustc_typeck::check::fn_sig_suggestion

fn fn_sig_suggestion<'tcx>(
    tcx: TyCtxt<'tcx>, 
    sig: FnSig<'tcx>, 
    ident: Ident, 
    predicates: GenericPredicates<'tcx>, 
    assoc: &AssocItem
) -> String

Return placeholder code for the given function.