diff options
| -rw-r--r-- | library/core/src/macros/mod.rs | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/library/core/src/macros/mod.rs b/library/core/src/macros/mod.rs index 7aaf5a5fd46..82272c451c3 100644 --- a/library/core/src/macros/mod.rs +++ b/library/core/src/macros/mod.rs @@ -816,6 +816,7 @@ pub(crate) mod builtin { #[macro_export] macro_rules! env { ($name:expr $(,)?) => {{ /* compiler built-in */ }}; + ($name:expr, $error_msg:expr) => {{ /* compiler built-in */ }}; } /// Optionally inspects an environment variable at compile time. |