This is exactly the main idea behind the Unison language.[1] All functions are immutable and identified by a hash rather than name. When you make any change y

This is exactly the main idea behind the Unison language.[1] All functions are immutable and identified by a hash rather than name. When you make any change you are creating a new function with a new hash. It's definitely a very interesting idea. [1] https://www.unisonweb.org/ https://www.unisonweb.org/