+ } else if path_matches_nongeneric(&trait_path.1, &["FromStr"]) {
+ if let Some(container) = types.get_c_mangled_container_type(
+ vec![&*i.self_ty, &syn::Type::Tuple(syn::TypeTuple { paren_token: Default::default(), elems: syn::punctuated::Punctuated::new() })],
+ Some(&gen_types), "Result") {
+ writeln!(w, "#[no_mangle]").unwrap();
+ writeln!(w, "/// Read a {} object from a string", ident).unwrap();
+ writeln!(w, "pub extern \"C\" fn {}_from_str(s: crate::c_types::Str) -> {} {{", ident, container).unwrap();
+ writeln!(w, "\tmatch {}::from_str(s.into()) {{", resolved_path).unwrap();
+ writeln!(w, "\t\tOk(r) => {{").unwrap();
+ let new_var = types.write_to_c_conversion_new_var(w, &syn::Ident::new("r", Span::call_site()), &*i.self_ty, Some(&gen_types), false);
+ write!(w, "\t\t\tcrate::c_types::CResultTempl::ok(\n\t\t\t\t").unwrap();
+ types.write_to_c_conversion_inline_prefix(w, &*i.self_ty, Some(&gen_types), false);
+ write!(w, "{}r", if new_var { "local_" } else { "" }).unwrap();
+ types.write_to_c_conversion_inline_suffix(w, &*i.self_ty, Some(&gen_types), false);
+ writeln!(w, "\n\t\t\t)\n\t\t}},").unwrap();
+ writeln!(w, "\t\tErr(e) => crate::c_types::CResultTempl::err(0u8),").unwrap();
+ writeln!(w, "\t}}.into()\n}}").unwrap();
+ }
+ } else if path_matches_nongeneric(&trait_path.1, &["Display"]) {
+ writeln!(w, "#[no_mangle]").unwrap();
+ writeln!(w, "/// Get the string representation of a {} object", ident).unwrap();
+ writeln!(w, "pub extern \"C\" fn {}_to_str(o: &{}) -> Str {{", ident, resolved_path).unwrap();
+ writeln!(w, "\tformat!(\"{{}}\", o).into()").unwrap();
+ writeln!(w, "}}").unwrap();