singlemap-0.1.0 has been yanked.
single
rust single
#[macro_use] extern crate single;
#[test] fn test_one(){
let sin = single_init!();
single_add!("a".to_string(),Box::new("aaaa".to_string()));
let straa = single_for!(sin,&"a".to_string(),String);
println!("rustl:{:?}",straa);
}