extern crate phf_codegen; use std::path::Path; use std::env; use std::fs::File; use std::io::{BufWriter, Write}; fn main() { let out_dir = env::var("OUT_DIR").unwrap(); let path = Path::new(&out_dir).join("phf.rs"); let mut file = BufWriter::new(File::create(&path).unwrap()); let map = [("key1", "\"value1\""), ("key2", "\"value2\"")]; write!( &mut file, "static MAP: phf::Map<&'static str, &'static str> =\n" ).unwrap(); let mut phf_map = phf_codegen::Map::new(); for &(key, value) in &map { phf_map.entry(key, value); } phf_map.build(&mut file).unwrap(); write!(&mut file, ";\n").unwrap(); }