Taming the Flat AST: Ergonomics in the Age of Zero Allocations

Last week, I introduced egg , a modern LL(1) parser generator for Go. The response from the community was insightful, particularly regarding egg 's most distinct feature: the flat AST. To achieve high performance and low garbage collection pressure, egg encodes the entire Abstract Syntax Tree (AST) into a single []int32 slice. While this is excellent for the CPU cache, it can be intimidating for…