boom.opt.dump

<*>
+ <*>
| + <*>
| | + <*>
| | | + <*>
| | | | + <*>
| | | | | + pure ((.) ((.) (.)) . ((.) ((.) (.)) . (.) ((.) (const id))))
| | | | | ` def name_2
| | | | |   ` pure (const id)
| | | | ` def name_4
| | | |   ` <*>
| | | |     + <*>
| | | |     | + def name_5
| | | |     | | ` pure (const id)
| | | |     | ` def name_7
| | | |     |   ` <*>
| | | |     |     + <*>
| | | |     |     | + pure (const id)
| | | |     |     | ` rec name_4
| | | |     |     ` rec name_7
| | | |     ` rec name_4
| | | ` def name_6
| | |   ` pure ()
| | ` ref name_2
| ` def name_1
|   ` <*>
|     + <*>
|     | + ref name_5
|     | ` def name_3
|     |   ` <*>
|     |     + <*>
|     |     | + pure (const id)
|     |     | ` rec name_1
|     |     ` rec name_3
|     ` rec name_1
` ref name_6