rustc_
builtin_
macros
1.84.0-beta.4
(202008a1b 2024-12-07)
Module env
Module Items
Functions
In crate rustc_
builtin_
macros
rustc_builtin_macros
Module
env
Copy item path
Source
Functions
ยง
expand_
env
๐
expand_
option_
env
๐
is_
cargo_
env_
var
๐
Returns
true
if an environment variable from
env!
is one used by Cargo.
lookup_
env
๐