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.


assert 🔒
cfg 🔒

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.

cfg_eval 🔒

Attributes injected into the crate root from command line using -Z crate-attr.

concat 🔒
derive 🔒
deriving 🔒

The compiler code necessary to implement the #[derive] extensions.

env 🔒
format 🔒
log_syntax 🔒
test 🔒
util 🔒