176         TokenTree::Literal(tt) => proc_macro::TokenTree::Literal(tt.inner.unwrap_nightly()),  in into_compiler_token()
357             proc_macro::TokenTree::Literal(l) => {  in next()
358                 TokenTree::Literal(crate::Literal::_new(Literal::Compiler(l)))  in next()
760 pub(crate) enum Literal {  enum
761     Compiler(proc_macro::Literal),
762     Fallback(fallback::Literal),
767         pub(crate) fn $name(n: $kind) -> Literal {
769                 Literal::Compiler(proc_macro::Literal::$name(n))
771                 Literal::Fallback(fallback::Literal::$name(n))
779         pub(crate) fn $name(n: $kind) -> Literal {
781                 Literal::Compiler(proc_macro::Literal::$name(n))
783                 Literal::Fallback(fallback::Literal::$name(n))
789 impl Literal {  impl
792             let literal = proc_macro::Literal::from_str_checked(repr)?;  in from_str_checked()
793             Ok(Literal::Compiler(literal))  in from_str_checked()
795             let literal = fallback::Literal::from_str_checked(repr)?;  in from_str_checked()
796             Ok(Literal::Fallback(literal))  in from_str_checked()
802             Literal::Compiler(proc_macro::Literal::from_str_unchecked(repr))  in from_str_unchecked()
804             Literal::Fallback(unsafe { fallback::Literal::from_str_unchecked(repr) })  in from_str_unchecked()
841     pub(crate) fn f32_unsuffixed(f: f32) -> Literal {  in f32_unsuffixed()  argument
843             Literal::Compiler(proc_macro::Literal::f32_unsuffixed(f))  in f32_unsuffixed()
845             Literal::Fallback(fallback::Literal::f32_unsuffixed(f))  in f32_unsuffixed()
849     pub(crate) fn f64_unsuffixed(f: f64) -> Literal {  in f64_unsuffixed()  argument
851             Literal::Compiler(proc_macro::Literal::f64_unsuffixed(f))  in f64_unsuffixed()
853             Literal::Fallback(fallback::Literal::f64_unsuffixed(f))  in f64_unsuffixed()
857     pub(crate) fn string(string: &str) -> Literal {  in string()  argument
859             Literal::Compiler(proc_macro::Literal::string(string))  in string()
861             Literal::Fallback(fallback::Literal::string(string))  in string()
865     pub(crate) fn character(ch: char) -> Literal {  in character()  argument
867             Literal::Compiler(proc_macro::Literal::character(ch))  in character()
869             Literal::Fallback(fallback::Literal::character(ch))  in character()
873     pub(crate) fn byte_character(byte: u8) -> Literal {  in byte_character()  argument
875             Literal::Compiler({  in byte_character()
878                     proc_macro::Literal::byte_character(byte)  in byte_character()
883                     let fallback = fallback::Literal::byte_character(byte);  in byte_character()
884                     proc_macro::Literal::from_str_unchecked(&fallback.repr)  in byte_character()
888             Literal::Fallback(fallback::Literal::byte_character(byte))  in byte_character()
892     pub(crate) fn byte_string(bytes: &[u8]) -> Literal {  in byte_string()  argument
894             Literal::Compiler(proc_macro::Literal::byte_string(bytes))  in byte_string()
896             Literal::Fallback(fallback::Literal::byte_string(bytes))  in byte_string()
900     pub(crate) fn c_string(string: &CStr) -> Literal {  in c_string()  argument
902             Literal::Compiler({  in c_string()
905                     proc_macro::Literal::c_string(string)  in c_string()
910                     let fallback = fallback::Literal::c_string(string);  in c_string()
911                     proc_macro::Literal::from_str_unchecked(&fallback.repr)  in c_string()
915             Literal::Fallback(fallback::Literal::c_string(string))  in c_string()
921             Literal::Compiler(lit) => Span::Compiler(lit.span()),  in span()
922             Literal::Fallback(lit) => Span::Fallback(lit.span()),  in span()
928             (Literal::Compiler(lit), Span::Compiler(s)) => lit.set_span(s),  in set_span()
929             (Literal::Fallback(lit), Span::Fallback(s)) => lit.set_span(s),  in set_span()
930             (Literal::Compiler(_), Span::Fallback(_)) => mismatch(line!()),  in set_span()
931             (Literal::Fallback(_), Span::Compiler(_)) => mismatch(line!()),  in set_span()
938             Literal::Compiler(lit) => proc_macro_span::subspan(lit, range).map(Span::Compiler),  in subspan()
940             Literal::Compiler(_lit) => None,  in subspan()
941             Literal::Fallback(lit) => lit.subspan(range).map(Span::Fallback),  in subspan()
945     fn unwrap_nightly(self) -> proc_macro::Literal {  in unwrap_nightly()  argument
947             Literal::Compiler(s) => s,  in unwrap_nightly()
948             Literal::Fallback(_) => mismatch(line!()),  in unwrap_nightly()
953 impl From<fallback::Literal> for Literal {  implementation
954     fn from(s: fallback::Literal) -> Self {  in from()
955         Literal::Fallback(s)  in from()
959 impl Display for Literal {  implementation
962             Literal::Compiler(t) => Display::fmt(t, f),  in fmt()
963             Literal::Fallback(t) => Display::fmt(t, f),  in fmt()
968 impl Debug for Literal {  implementation
971             Literal::Compiler(t) => Debug::fmt(t, f),  in fmt()
972             Literal::Fallback(t) => Debug::fmt(t, f),  in fmt()