cookie_factory
macro_rules! gen_le_i32 { (($i:expr, $idx:expr), $val:expr) => { ... }; ($i:expr, $val:expr) => { ... }; }
gen_le_i32!(I, i32) => I -> Result<I,E> Write a signed 4 byte integer.
gen_le_i32!(I, i32) => I -> Result<I,E>