Implement built-in attribute macro #[cfg_eval]

2021-03-06 21:33:02 +03:00
parent 069e612e73
commit 5dad6c2575
11 changed files with 259 additions and 0 deletions
--- a/library/core/src/prelude/v1.rs
+++ b/library/core/src/prelude/v1.rs
@@ -81,3 +81,12 @@ pub use crate::macros::builtin::derive;
 )]
 #[doc(no_inline)]
 pub use crate::macros::builtin::cfg_accessible;
+
+#[cfg(not(bootstrap))]
+#[unstable(
+    feature = "cfg_eval",
+    issue = "82679",
+    reason = "`cfg_eval` is a recently implemented feature"
+)]
+#[doc(no_inline)]
+pub use crate::macros::builtin::cfg_eval;