clean up backend

src/backend/actual/mod.rs

@@ -0,0 +1,2 @@
+pub mod pacman;
+pub mod rust;

src/backend/actual/pacman.rs

@@ -4,7 +4,7 @@ use alpm::Alpm;
 use alpm::PackageReason::Explicit;
 use anyhow::{Context, Result};
 
-use super::backend_trait::*;
+use crate::backend::backend_trait::*;
 use crate::{impl_backend_constants, Group, Package};
 
 pub(crate) struct Pacman {

src/backend/actual/rust.rs

@@ -5,7 +5,7 @@ use std::path::PathBuf;
 use anyhow::{Context, Result};
 use serde_json::Value;
 
-use super::backend_trait::*;
+use crate::backend::backend_trait::*;
 use crate::{impl_backend_constants, Group, Package};
 
 pub(crate) struct Rust {

src/backend/mod.rs

@@ -1,8 +1,7 @@
+mod actual;
 mod backend_trait;
 mod iter;
 mod macros;
-mod pacman;
-mod rust;
 mod todo_per_backend;
 
 pub(crate) use backend_trait::Backend;