1 files changed, 12 insertions, 2 deletions

diff --git a/src/lib.rs b/src/lib.rs
index 5464675f..64dba22c 100755
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -72,8 +72,18 @@ impl Builder {
         self
     }
 
-    pub fn whitelisted_type<T: Borrow<str>>(mut self, arg: &T) -> Builder {
-        self.options.whitelisted_types.insert(arg);
+    pub fn whitelisted_type<T: Borrow<str>>(mut self, arg: T) -> Builder {
+        self.options.whitelisted_types.insert(&arg);
+        self
+    }
+
+    pub fn whitelisted_function<T: Borrow<str>>(mut self, arg: T) -> Builder {
+        self.options.whitelisted_functions.insert(&arg);
+        self
+    }
+
+    pub fn whitelisted_var<T: Borrow<str>>(mut self, arg: T) -> Builder {
+        self.options.whitelisted_vars.insert(&arg);
         self
     }