gistfile1.swift

import KeychainAPI

let keychain: Keychain = Keychain(service: "com.secondgear.myapp", accessibility: Accessibility.WhenUnlocked)
let userAccount = Account(userName: "justinw@me.com", secret: "lovesecretsexgod")
keychain.add(userAccount)


if let fetchedAccount = keychain.accountFor("justinw@me.com")
{
    fetchedAccount.secret = "newpassword"
    keychain.update(fetchedAccount)
    keychain.remove(fetchedAccount!);
}
else {
    // handle failure
}