A New Design for Pretty Printer Implementations in Rust
A new design for pretty printer implementations in Rust aims to improve memory management while retaining expressive power. The proposed design draws inspiration from functional programming concepts, particularly focusing on document structures. It seeks to address limitations of existing pretty printers by balancing efficiency and flexibility in Rust's systems programming context.
- ▪The design aims to implement Wadler-style document trees in a way that aligns with Rust's memory management.
- ▪Existing pretty printers often face limitations due to their reliance on either recursive data types or streaming approaches.
- ▪The new implementation proposes a method to achieve global optimization in pretty printing, which is a common challenge in the field.
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May 28, 20269 mins readTable of ContentsA New Design for Pretty Printer Implementations in Rust A New Design for Pretty Printer Implementations in RustSince I studied Rustc’s pretty printer and implemented my own pretty printer library (which is used in the cgrammar crate, a crate for parsing and processing C23 syntax), I have been thinking about how to design a better pretty printer library, especially by applying the research results from academia 11.J. Hughes, “The Design of a Pretty-Printing Library,” Advanced Functional Programming, vol. 925. Springer Berlin Heidelberg, Berlin, Heidelberg, pp. 53–96, 1995. doi: 10.1007/3-540-59451-5_3. 22.P. Wadler, “A Prettier Printer,” The Fun of Programming. Macmillan Education UK, London, pp. 223–243, 2003. doi: 10.1007/978-1-349-91518-7_11.
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