--- source: macro/src/lib.rs expression: "rustfmt_code(&gen_bridge(parse_quote! {\n mod ffi\n {\n struct Foo {} impl Foo\n { pub fn fill_slice(s : & mut [f64]) { unimplemented! () } }\n }\n }).to_token_stream().to_string())" --- mod ffi { #[repr(C)] struct Foo {} impl Foo { pub fn fill_slice(s: &mut [f64]) { unimplemented!() } } #[no_mangle] extern "C" fn Foo_fill_slice(s_diplomat_data: *mut f64, s_diplomat_len: usize) { Foo::fill_slice(unsafe { core::slice::from_raw_parts_mut(s_diplomat_data, s_diplomat_len) }) } #[no_mangle] extern "C" fn Foo_destroy(this: Box) {} }