Execute a block after computing a result.

This crate provides the macro prog1, an implementation of the homonymous Common Lisp macro.

It allows to compute a result, before executing a block that changes values used to compute the result.

Examples

```

[macro_use]

extern crate prog1;

fn main() { let mut a = 0;

assert_eq!(prog1!(a; { a += 1 }), 0);
assert_eq!(a, 1);

} ```

Copyright

Licensed under the Apache License, Version 2.0 or the MIT license , at your option. This file may not be copied, modified, or distributed except according to those terms.