bump to nightly-2024-07-25

par_iter able to handle biding inside main closure

now can handle iter_mut

par_iter can now handle multiple iterators in one_chain

deal with closure in chain methods

bump to nightly-2024-03-07

fix tests

Refactoring of collection folding. In the simple case, we can use map…

…/collect so we should. The par_iter lint should be able to parallelize these.

implement collect handling