checker: check option propogation in multi return types #19443
+14
−1
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Closes #18566
🤖 Generated by Copilot at f90c01d
This pull request adds a checker error for multi-assignment with optional values that are not handled or propagated. It also adds a test case for the error using the
split_once
method from thestrings
module.🤖 Generated by Copilot at f90c01d