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A novel parser architecture developed by Shanshrew achieves 2-3x speedup over the current fastest JS/TS parser, and is being integrated into Oxc.
Charlie Marsh shares a personal goal of finding simple one-line optimizations that can speed up a parser by 20-30%.
This article explores using Zig's comptime to create tagged union subsets, inspired by Mitchell Hashimoto's work, and applies the technique to a MyST parser's AST traversal.
Greptime released version 0.9.0 of promql-parser, a Rust-based PromQL parser featuring declarative function refactoring and support for limit functions.