rustc_
builtin_
macros
1.84.0-beta.4
(202008a1b 2024-12-07)
In rustc_
builtin_
macros::
env
rustc_builtin_macros
::
env
Function
lookup_env
Copy item path
Source
fn lookup_env<'cx>( cx: &'cx
ExtCtxt
<'_>, var:
Symbol
, ) ->
Result
<
Symbol
,
VarError
>