In the C example str is heap allocated, so it’s not associated with r and leaked in that example. I should free it to make that clear! After writing a lot of r

In the C example str is heap allocated, so it’s not associated with r and leaked in that example. I should free it to make that clear! After writing a lot of rust code this year it’s sort of weird reading that, and seeing that aspect of the code not be explicit or obvious.