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Check that the order of declaration of a puddle match is introducing values before their uses. While this is more constrained that what is currently implemented, in practice all programs written with Puddle should satisfy this invariant. Having this invariant will allow us to have a better correctness condition for the semantics of a puddle pattern.
tobiasgrosser
approved these changes
Sep 15, 2026
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Check that the order of declaration of a puddle match is introducing values before their uses. While this is more constrained that what is currently implemented, in practice all programs written with Puddle should satisfy this invariant. Having this invariant will allow us to have a better correctness condition for the semantics of a puddle pattern.