The Finally trait provides a method, finally on stack closures that emulates Java-style try/finally blocks.

Using the finally method is sometimes convenient, but the type rules prohibit any shared, mutable state between the "try" case and the "finally" case. For advanced cases, the try_finally function can also be used. See that function for more details.

Example

extern crate finally;
use finally::Finally;

(|&mut:| {
    // ...
}).finally(|| {
    // this code is always run
})