#[cfg(debug_assertions)] macro_rules! get_file { ($var:literal) => {{ let path = env!($var); match ::std::fs::read(path) { Ok(bytes) => bytes.leak() as &'static [u8], Err(e) => panic!("Failed to read file for {}: {}", $var, e), } }}; } #[cfg(not(debug_assertions))] macro_rules! get_file { ($var:literal) => {{ const _: () = assert!( !env!($var).is_empty(), concat!($var, " was not bundled at build time"), ); include_bytes!(env!($var)) as &'static [u8] }}; } pub(crate) use get_file;