Navigating Programming Language Evolution

This chapter explores the challenges and strategies involved in maintaining and upgrading programming languages, with a focus on Swift and its migrator tool. It discusses the creative process behind building high-performance compilers and programming languages, including the emergence of Mojo and its connection to existing languages like Python and Zig. The conversation emphasizes the importance of balancing innovation with practical engineering decisions, as well as the lessons learned from established technologies like LLVM.