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authorLiigo Zhuang <liigo@qq.com>2017-12-01 13:32:56 +0800
committerLiigo Zhuang <liigo@qq.com>2017-12-01 13:32:56 +0800
commit9e281cc6a57417714335ae6e4e476315f6064b39 (patch)
tree75db8747703ee8962d020283d8b7aa0cdbcc2b54 /src/libstd
parentd8a60c9611399b1b5c9c703b975af4724b432b0d (diff)
downloadrust-9e281cc6a57417714335ae6e4e476315f6064b39.tar.gz
rust-9e281cc6a57417714335ae6e4e476315f6064b39.zip
doc: macro `cfg!` evaluating at compile-time
Diffstat (limited to 'src/libstd')
-rw-r--r--src/libstd/macros.rs2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/libstd/macros.rs b/src/libstd/macros.rs
index 9d0373404aa..25d59d912e0 100644
--- a/src/libstd/macros.rs
+++ b/src/libstd/macros.rs
@@ -598,7 +598,7 @@ pub mod builtin {
     #[macro_export]
     macro_rules! module_path { () => ({ /* compiler built-in */ }) }
 
-    /// Boolean evaluation of configuration flags.
+    /// Boolean evaluation of configuration flags, at compile-time.
     ///
     /// In addition to the `#[cfg]` attribute, this macro is provided to allow
     /// boolean expression evaluation of configuration flags. This frequently