Function Closures

This crate allows you to create constant functions, and the identity function and combine them with a couple basic operations like follows

``` // for graphing this is y = x let y = Function::default();

// f(x) = 3x let f = Function::new(3.)*Function::default();

// note that Function implements From:: no matter the underlying type let f = Function::from(3.)*Function::default();

```

Development

Development is currently very active and many breaking changes are still to come

writen 9/20/23

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