Function render_variant_after_name 

fn render_variant_after_name<'db>(
    data: &VariantFields,
    f: &mut HirFormatter<'_, 'db>,
    field_types: &'db ArenaMap<LocalFieldId, FieldType>,
    param_env: ParamEnv<'db>,
    layout: &Layout,
    args: GenericArgs<'db>,
    b: &[u8],
    memory_map: &MemoryMap<'db>,
) -> Result