Looks up a key in the Tree, returning the original key and the associated value.
This is useful if you need to free the memory allocated for the original key, for example before calling remove.
| this |
a Tree |
| lookup_key |
the key to look up |
| orig_key |
returns the original key |
| value |
returns the value associated with the key |
|
true if the key was found in the Tree |