Crate rustc_builtin_macros[−][src]
Expand description
This crate contains implementations of built-in macros and other code generating facilities injecting code into the crate before it is lowered to HIR.
Modules
The compiler code necessary to support the cfg! extension, which expands to
a literal true or false based on whether the given cfg matches the
current compilation environment.
Implementation of the #[cfg_accessible(path)] attribute macro.
Attributes injected into the crate root from command line using -Z crate-attr.
The compiler code necessary to implement the #[derive] extensions.