#39 Equality, Quotation, Bidirectional Type Checking - David Christiansen
Type Theory Forall
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Challenges and Solutions in Macro Implementation
This chapter delves into the complexities of implementing macros in programming languages, discussing issues such as syntax-to-syntax transformations, scoping problems, and the need for macro hygiene. The conversation also explores challenges in incorporating macros in typed languages like Haskell, addressing issues with type checking and fragility introduced by macros affecting traversal order. The chapter concludes with a discussion on developing tools like Klysta to address these challenges and enhance the use of macros in programming.
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