Web Reference: Apr 28, 2025 ยท Rust uses configurational conditional (cfg) checks to differentiate between the environment that is used to run Rust programs. This is done by two attributes: cfg attribute (used in attribute positions) cfg! macro (used in boolean expressions) While the former enables conditional compilation, the latter conditionally evaluates to true or false literals allowing for checks at run-time. Both utilize identical argument syntax. cfg!, unlike #[cfg], does not remove any code and only evaluates to true or false. Configuration Conditional Checks [Rust Tutorial] - Solandy [solandy.sol] 14.4K subscribers Subscribe
YouTube Excerpt: Exploring the cfg and cargo features and how they relate to Solana development. https://linktr.ee/solandy Thanks for watching!
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