Fixpoint types and recursion schemes. If you define your AST as fixpoint type, you get fold and unfold operations for free.
Thanks for contribution to: Matej Kollar, Herbert Valerio Riedel.
| Package Version | Update ID | Released | Package Hub Version | Platforms | Subpackages | 
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| 0.3.2-150500.3.3.2 info | SUSE-SLE-Module-Packagehub-Subpackages-15-SP5-2024-572 | 2024-02-21 | 15 SP5 Subpackages Updates | 
                
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| 0.3.2-bp154.2.11 info | GA Release | 2022-05-09 | 15 SP4 | 
                
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