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-rw-r--r--src/libsyntax/ast.rs1
1 files changed, 1 insertions, 0 deletions
diff --git a/src/libsyntax/ast.rs b/src/libsyntax/ast.rs
index 105f911dd57..40c8ba93bd5 100644
--- a/src/libsyntax/ast.rs
+++ b/src/libsyntax/ast.rs
@@ -362,6 +362,7 @@ impl Generics {
 }
 
 impl Default for Generics {
+    /// Creates an instance of `Generics`.
     fn default() ->  Generics {
         Generics {
             lifetimes: Vec::new(),