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#![allow(unused_variables)]
#[macro_use] extern crate shrinkwraprs;
extern crate core;
#[derive(Shrinkwrap)]
#[shrinkwrap(transformers)]
pub struct Email(String);
#[test]
fn test_map_mut() {
let mut email = Email("aoi.miyamori@musashino".into());
let orig_len = email.len();
email
.transform(|s| s.push_str(".co"))
.transform(|s| s.push_str(".jp"));
let new_len = email.len();
let siphoned_len = email.siphon(|s| s.len());
assert_eq!(new_len, orig_len + 6);
assert_eq!(new_len, siphoned_len);
}
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