203             Transparent(span) => ts.append_all(quote_spanned! { *span=> #[repr(transparent)] }),  in to_tokens()
218             C => ts.append_all(quote_spanned! { self.span=> #[repr(C)] }),  in to_tokens()
219             Rust => ts.append_all(quote_spanned! { self.span=> #[repr(Rust)] }),  in to_tokens()
229             U8 => ts.append_all(quote_spanned! { self.span => #[repr(u8)] }),  in to_tokens()
230             U16 => ts.append_all(quote_spanned! { self.span => #[repr(u16)] }),  in to_tokens()
231             U32 => ts.append_all(quote_spanned! { self.span => #[repr(u32)] }),  in to_tokens()
232             U64 => ts.append_all(quote_spanned! { self.span => #[repr(u64)] }),  in to_tokens()
233             U128 => ts.append_all(quote_spanned! { self.span => #[repr(u128)] }),  in to_tokens()
234             Usize => ts.append_all(quote_spanned! { self.span => #[repr(usize)] }),  in to_tokens()
235             I8 => ts.append_all(quote_spanned! { self.span => #[repr(i8)] }),  in to_tokens()
236             I16 => ts.append_all(quote_spanned! { self.span => #[repr(i16)] }),  in to_tokens()
237             I32 => ts.append_all(quote_spanned! { self.span => #[repr(i32)] }),  in to_tokens()
238             I64 => ts.append_all(quote_spanned! { self.span => #[repr(i64)] }),  in to_tokens()
239             I128 => ts.append_all(quote_spanned! { self.span => #[repr(i128)] }),  in to_tokens()
240             Isize => ts.append_all(quote_spanned! { self.span => #[repr(isize)] }),  in to_tokens()
256                 ts.append_all(quote_spanned! { self.span => #[repr(packed(#n))] })  in to_tokens()
260                 ts.append_all(quote_spanned! { self.span => #[repr(align(#n))] })  in to_tokens()