Reorder conditional; use is_none()

Author: Tai Sassen-Liang

src/clang.rs

@@ -80,7 +80,7 @@ impl Cursor {
     /// Returns whether the cursor refers to a built-in definition.
     pub fn is_builtin(&self) -> bool {
         let (file, _, _, _) = self.location().location();
-        !file.name().is_some()
+        file.name().is_none()
     }
 
     /// Get the `Cursor` for this cursor's referent's lexical parent.

src/lib.rs

@@ -826,7 +826,7 @@ impl<'ctx> Bindings<'ctx> {
 /// Determines whether the given cursor is in any of the files matched by the
 /// options.
 fn filter_builtins(ctx: &BindgenContext, cursor: &clang::Cursor) -> bool {
-    !cursor.is_builtin() || ctx.options().builtins
+    ctx.options().builtins || !cursor.is_builtin()
 }
 
 /// Parse one `Item` from the Clang cursor.