fix(usage): remove warning about unused variables

clap-rs · Apr 9, 2015 · ba817b9 · ba817b9
1 parent be91c5f
commit ba817b9
Showing 1 changed file with 6 additions and 6 deletions.
diff --git a/src/app.rs b/src/app.rs
@@ -460,21 +460,21 @@ impl<'a, 'v, 'ab, 'u, 'ar> App<'a, 'v, 'ab, 'u, 'ar>{
             if opts {
                 write!(&mut usage," {}",
                     if num_req_opts != self.opts.len() && !req_opts.is_empty() { 
-                        format!(" [OPTIONS] {}", &req_opts[..])
+                        format!("[OPTIONS] {}", &req_opts[..])
                     } else if req_opts.is_empty() { 
-                        " [OPTIONS]".to_owned()
+                        "[OPTIONS]".to_owned()
                     } else {
-                        req_opts
+                        format!("{}", &req_opts[..])
                     });
             }
             if pos {
                 write!(&mut usage, " {}",
                     if num_req_pos != self.positionals_idx.len() && !req_pos.is_empty() { 
-                        format!(" [POSITIONAL] {}", &req_pos[..])
+                        format!("[POSITIONAL] {}", &req_pos[..])
                     } else if req_pos.is_empty() { 
-                        " [POSITIONAL]".to_owned()
+                        "[POSITIONAL]".to_owned()
                     } else {
-                        req_pos
+                        format!("{}", &req_pos[..])
                     } );
             }
             if subcmds {