rustc_
builtin_
macros
1.84.0-nightly
(759e07f06 2024-10-30)
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
>