``` ucm
scratch/main> builtins.merge

  Done.

```
``` unison
double : Int -> Int
double x = x + x

redouble : Int -> Int
redouble x = double x + double x
```

``` ucm

  Loading changes detected in scratch.u.

  I found and typechecked these definitions in scratch.u. If you
  do an `add` or `update`, here's how your codebase would
  change:
  
    ⍟ These new definitions are ok to `add`:
    
      double   : Int -> Int
      redouble : Int -> Int

```
``` ucm
scratch/main> add

  ⍟ I've added these definitions:
  
    double   : Int -> Int
    redouble : Int -> Int

scratch/main> dependents double

  Dependents of: double
  
    Terms:
  
    1. redouble
  
  Tip: Try `view 1` to see the source of any numbered item in
       the above list.

scratch/main> delete.term 1

  Done.

```