This Month with Nim: April and May 2023

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Nuance

Author: metagn

nuance is a library that provides:

• Runtime-compatible types to represent Nim (untyped) AST including filename, line and column information.
• Serialization of these types into an S-expression format that can be directly inserted inside a Nim triple-quoted string.
• Deserialization to these types that works in the compile-time VM.
• Conversion from these types into the compile-time NimNode type that can be used in macros.

This allows complex systems that generate Nim code to do it in a much faster and easier way than the current alternatives (making all code run only in the compile-time VM, generating it as raw text, interfacing with the compiler codebase etc.). Examples of use cases may be templating engines, alternative...

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