Union type enforcement#1127
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Use our generated RBS signature from parameters as a key to combine method signatures from RBS/YARD pins. This is closer to what RBS does than the current technique of using the arity alone, and fixes a key degenerate case in Integer#+ revealed by updated definitions used by recently released RBS gems
This was referenced Jan 12, 2026
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Merged into v0.59 release branch |
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This flips on enforcement of union types - meaning we get typechecking violations when there is a potential nil dereference!
Depends on and includes: