<@U7TDJR3QU> You're adding the same `path` list ev...

# announcements

[ilya.gorbunov]

@melanchroes You're adding the same path list every time to the results list. Then you're mutating it, eventually clearing it.

[melanchroes]

Awesome, thx for the insight! So when we mutate a parameter like path (like I do at path.add(step)), a copy of that parameter is created that only exists with the scope of the function call?

[melanchroes]

Wait I read that wrong - I see whats happening here XD

[melanchroes]

All the entries in results point to a single reference of path thats eventually cleared like you said. Thanks!

[edik]

Did you use (probably wrong but it works) results.add(path.toMutableList()) ?

[edik]

Also you don't need to pass arguments as lists as you can set them up initially as having defaults in the parameters of the fun