[31m[1mERROR[0m[39m: 
  [31m×[0m I can work with functions and methods, but `app::Streamer` is neither.
  [31m│[0m It is a struct and I don't know how to use it as a request handler.
  [31m│[0m
  [31m│[0m    ╭─[[36;1;4msrc/lib.rs[0m:7:1]
  [31m│[0m  [2m7[0m │     let mut bp = Blueprint::new();
  [31m│[0m  [2m8[0m │     bp.route(GET, "/home", f!(crate::Streamer));
  [31m│[0m    · [35;1m                           ─────────┬─────────[0m
  [31m│[0m    ·                 [35;1mIt was registered as a request handler here[0m
  [31m│[0m  [2m9[0m │     bp
  [31m│[0m    ╰────