// Stable Rust 1.9 doesn't support the custom_derive feature, so we generate
// code for structures which #[derive] Serde's Serialize/Deserialize traits.
externcrate serde_codegen;usestd::env;usestd::path::Path;pubfnmain(){let out_dir =env::var_os("OUT_DIR").unwrap();let src =Path::new("src/cast/proxies.rs.in");let dst =Path::new(&out_dir).join("proxies.rs");serde_codegen::expand(&src,&dst).unwrap();}