Switch to edition 2018

Cargo.toml

@@ -7,8 +7,8 @@ license = "GPL-3.0"
 homepage = "https://gitlab.com/mpv-ipc/mpvipc"
 repository = "https://gitlab.com/mpv-ipc/mpvipc"
 documentation = "https://docs.rs/mpvipc/"
-
+edition = "2018"
 
 [dependencies]
 serde = "1.0.1"
-serde_json = "1.0.0"
+serde_json = "1.0.0"

src/ipc.rs

@@ -554,4 +554,4 @@ fn json_array_to_playlist(array: &Vec<Value>) -> Vec<PlaylistEntry> {
         });
     }
     output
-}
+}

src/lib.rs

@@ -1,6 +1,3 @@
-extern crate serde;
-extern crate serde_json;
-
 pub mod ipc;
 
 use ipc::*;