Function rustc_mir_build::thir::pattern::_match::slice_pat_covered_by_const

fn slice_pat_covered_by_const<'tcx>(
    tcx: TyCtxt<'tcx>, 
    _span: Span, 
    const_val: &'tcx Const<'tcx>, 
    prefix: &[Pat<'tcx>], 
    slice: &Option<Pat<'tcx>>, 
    suffix: &[Pat<'tcx>], 
    param_env: ParamEnv<'tcx>
) -> Result<bool, ErrorReported>