tts_to_mac_result

rustc_builtin_macros::cfg_select

Function tts_to_mac_result 

Source 
fn tts_to_mac_result<'cx, 'sess>(
    ecx: &'cx mut ExtCtxt<'sess>,
    site_span: Span,
    tts: TokenStream,
    span: Span,
) -> Box<dyn MacResult + 'cx>