improve

Author: lcian

src/api/encoding.rs

@@ -21,7 +21,7 @@ const PATH_SEGMENT_ENCODE_SET: AsciiSet = QUERY_ENCODE_SET
     .add(b'/');
 
 /// Wrapper that escapes arguments for URL path segments.
-pub struct PathArg<A: Display>(pub A);
+pub(super) struct PathArg<A: Display>(pub(super) A);
 
 /// Wrapper that escapes arguments for URL query segments.
 pub(super) struct QueryArg<A: Display>(pub(super) A);