Account for RBS untyped functions #2631
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vinistock
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bugfix
andyw8
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Sep 30, 2024
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FYI @soutaro |
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Motivation
Closes #2630
According to ruby/rbs#1806, it seems that this new
UntypedFunctiontype represents methods that accept any arguments, but still define some explicit return type.If my understanding is correct, then it makes sense that the class doesn't implement
required_positionals. It accepts anything, there are no parameters to list.Implementation
Started handling the new class when processing parameters. Note that we need to check for the class' existence to prevent breaking in older RBS versions.
Since we don't index return types, for our purposes an
UntypedFunctionis just a method that accepts a forward parameter. This is not 100% equivalent, but since we don't have the concept of "accept anything", it's the closest way to represent it.Automated Tests
Added a test that breaks without the fix.