Getting a Keystone Token in Rust

Python is a great language, but sometimes I miss type safety. While I was always comfortable with C++, I know that the lanugague has itw warts. Lately, I’ve been taking an interest in Rust, which seems to be set to address many of the shortcomiings of C++. WHat better way to learn it than to try and use on problems I already know well; OpenStack and Keystone? So, I wrote my first non-trivial program, which Gets a token token.

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