chore: improved use structure

frontends/libretro/src/lib.rs

@@ -2,14 +2,6 @@
 
 pub mod consts;
 
-use std::{
-    collections::HashMap,
-    ffi::CStr,
-    fmt::{self, Display, Formatter},
-    os::raw::{c_char, c_float, c_uint, c_void},
-    slice::from_raw_parts,
-};
-
 use boytacean::{
     debugln,
     gb::{AudioProvider, GameBoy},
@@ -25,6 +17,13 @@ use consts::{
     RETRO_DEVICE_ID_JOYPAD_START, RETRO_DEVICE_ID_JOYPAD_UP, RETRO_DEVICE_ID_JOYPAD_X,
     RETRO_DEVICE_ID_JOYPAD_Y, RETRO_DEVICE_JOYPAD,
 };
+use std::{
+    collections::HashMap,
+    ffi::CStr,
+    fmt::{self, Display, Formatter},
+    os::raw::{c_char, c_float, c_uint, c_void},
+    slice::from_raw_parts,
+};
 
 use crate::consts::{REGION_NTSC, RETRO_API_VERSION};
 

src/apu.rs

@@ -1072,7 +1072,7 @@ impl Default for Apu {
 
 #[cfg(test)]
 mod tests {
-    use super::*;
+    use super::Apu;
 
     #[test]
     fn test_trigger_ch1() {

src/cpu.rs

@@ -588,7 +588,7 @@ impl Default for Cpu {
 
 #[cfg(test)]
 mod tests {
-    use crate::cpu::Cpu;
+    use super::Cpu;
 
     #[test]
     fn test_cpu_clock() {

src/devices/stdout.rs

-use crate::serial::SerialDevice;
-
 use std::{
     fmt::{self, Display, Formatter},
     io::{stdout, Write},
 };
 
+use crate::serial::SerialDevice;
+
 pub struct StdoutDevice {
     flush: bool,
     callback: fn(buffer: &Vec<u8>),

src/dma.rs

@@ -119,7 +119,7 @@ impl Default for Dma {
 
 #[cfg(test)]
 mod tests {
-    use crate::dma::{Dma, DmaMode};
+    use super::{Dma, DmaMode};
 
     #[test]
     fn test_dma_default() {

src/genie.rs

@@ -198,7 +198,7 @@ impl Display for GameGenieCode {
 
 #[cfg(test)]
 mod tests {
-    use crate::genie::GameGenieCode;
+    use super::GameGenieCode;
 
     #[test]
     fn test_from_code() {

src/util.rs

@@ -46,7 +46,9 @@ pub fn replace_ext(path: &str, new_extension: &str) -> Option<String> {
 
 #[cfg(test)]
 mod tests {
-    use super::*;
+    use std::path::Path;
+
+    use super::replace_ext;
 
     #[test]
     fn test_change_extension() {