Allow to use prefix trees as nodes to parse function returns.

[tobiasraabe]

No description provided.

[codecov]

Codecov Report

Merging #406 (5e5d9bc) into main (dbe1fce) will increase coverage by 0.02%.
The diff coverage is 100.00%.

❗ Current head 5e5d9bc differs from pull request most recent head 1a2145b. Consider uploading reports for the commit 1a2145b to get more accurate results

@@            Coverage Diff             @@
##             main     #406      +/-   ##
==========================================
+ Coverage   95.63%   95.66%   +0.02%     
==========================================
  Files          94       94              
  Lines        8263     8296      +33     
==========================================
+ Hits         7902     7936      +34     
+ Misses        361      360       -1     

Flag	Coverage Δ
end_to_end	82.97% <93.75%> (+0.04%)	⬆️
integration	39.58% <29.16%> (-0.03%)	⬇️
unit	65.99% <50.00%> (-0.10%)	⬇️

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Files Changed	Coverage Δ
src/_pytask/collect_command.py	89.16% <100.00%> (+0.18%)	⬆️
src/_pytask/collect_utils.py	98.46% <100.00%> (-0.02%)	⬇️
src/_pytask/nodes.py	93.22% <100.00%> (+0.91%)	⬆️
src/_pytask/tree_util.py	100.00% <100.00%> (ø)
tests/test_collect.py	96.26% <100.00%> (ø)
tests/test_collect_command.py	100.00% <100.00%> (ø)
tests/test_execute.py	98.95% <100.00%> (+0.04%)	⬆️
tests/test_tree_util.py	100.00% <100.00%> (ø)