CFG — 3 Technical Articles

Sep 20, 2025 · Fundamentals

Master Rust Conditional Compilation: From #[cfg] to cfg! with Real-World Examples

This guide thoroughly explains Rust's conditional compilation, covering the #[cfg] attribute, the cfg! macro, custom feature flags, dependency selection, testing, and practical GUI demos, providing code snippets and best practices for writing portable, maintainable cross‑platform Rust applications.

CFGCode examplesCross-Platform

0 likes · 11 min read

Master Rust Conditional Compilation: From #[cfg] to cfg! with Real-World Examples

dbaplus Community

Jun 19, 2025 · Artificial Intelligence

How Constrained Decoding Guarantees 100% Correct SQL from Large Language Models

This article explains how constrained decoding, built on context‑free grammars, Jinja templates, and the XGrammar engine, can enforce strict SQL syntax and custom business rules during LLM generation, enabling reliable, production‑grade NL‑to‑SQL services.

CFGConstrained DecodingJinja

0 likes · 37 min read

How Constrained Decoding Guarantees 100% Correct SQL from Large Language Models

21CTO

Jul 26, 2024 · Fundamentals

What’s New in Rust 1.80? Lazy Initialization, cfg Checks, and Exclusive Ranges

Rust 1.80 introduces LazyCell and LazyLock for deferred data initialization, adds cfg name and value checking to catch configuration errors, supports exclusive range patterns for more concise matching, and stabilizes APIs such as Rc, Arc, Duration, Option, Seek, BinaryHeap, and NonNull, enhancing safety and ergonomics for developers.

CFGExclusive RangesStable API

0 likes · 5 min read

What’s New in Rust 1.80? Lazy Initialization, cfg Checks, and Exclusive Ranges