roezio: Switch to edition 2021

Signed-off-by: Maxime “pep” Buquet <pep@bouah.net>

Cargo.toml

@@ -1,6 +1,7 @@
 [package]
 name = "poezio"
 version = "0.1.0"
+edition = "2021"
 authors = [
   "Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>",
   "Maxime “pep” Buquet <pep@bouah.net>",

src/lib.rs

@@ -1,13 +1,6 @@
-extern crate ncurses;
-extern crate nom;
-extern crate pyo3;
-#[macro_use]
-extern crate lazy_static;
-extern crate enum_set;
+mod theming;
 
-pub mod theming;
-
-use self::theming::{curses_attr, parse_attrs};
+use crate::theming::{curses_attr, parse_attrs};
 
 use pyo3::{
     conversion::{IntoPy, ToPyObject},

src/theming.rs

@@ -13,6 +13,8 @@ use std::collections::HashMap;
 use std::mem;
 use std::sync::Mutex;
 
+use lazy_static::lazy_static;
+
 #[derive(Debug, PartialEq, Clone, Copy)]
 #[repr(u32)]
 pub enum Attr {