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-rw-r--r--src/libcore/core.rs5
1 files changed, 5 insertions, 0 deletions
diff --git a/src/libcore/core.rs b/src/libcore/core.rs
index 93fa3522fdb..dc9a24785c3 100644
--- a/src/libcore/core.rs
+++ b/src/libcore/core.rs
@@ -12,9 +12,14 @@ export option, some, none;
 // warn-and-below.
 
 export error, warn, info, debug;
+
+#[doc = "The error log level"]
 const error : u32 = 0_u32;
+#[doc = "The warning log level"]
 const warn : u32 = 1_u32;
+#[doc = "The info log level"]
 const info : u32 = 2_u32;
+#[doc = "The debug log level"]
 const debug : u32 = 3_u32;
 
 // A curious inner-module that's not exported that contains the binding