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# Function References

Limbo supports references to functions, similar to closures, but more similar to function pointers. 

The example in this section is a derivative of the function reference summary in the [Limbo Addendum](http://www.vitanuova.com/inferno/papers/addendum.pdf). 

## Source

### 



## Demo



## Exercises

- Change the value of `c` to 1, what happens?