re-format Rust backend source code with config in rustfmt.toml

Author: Reim-developer

src/back_end/src/utils/browser.rs

@@ -14,7 +14,9 @@ pub enum OpenBrowserStatus {
 /// # Safety
 /// Be careful with raw pointers.
 #[unsafe(no_mangle)]
-pub unsafe extern "C" fn raw_open_browser(url: *const c_char) -> OpenBrowserStatus {
+pub unsafe extern "C" fn raw_open_browser(
+    url: *const c_char,
+) -> OpenBrowserStatus {
     unsafe {
         use OpenBrowserStatus as Status;
 

src/back_end/src/utils/fs_utils.rs

@@ -19,7 +19,9 @@ pub enum CreateFileSystemStatus {
 /// Be careful with raw pointers.
 #[must_use]
 #[unsafe(no_mangle)]
-pub unsafe extern "C" fn raw_new_folder(folder_path: *const c_char) -> CreateFileSystemStatus {
+pub unsafe extern "C" fn raw_new_folder(
+    folder_path: *const c_char,
+) -> CreateFileSystemStatus {
     unsafe {
         use CreateFileSystemStatus as Status;
         let (c_str, is_ok) = raw_from_ptr(folder_path);

src/back_end/src/utils/memory.rs

@@ -1,6 +1,8 @@
 use std::ffi::{CStr, CString, c_char};
 
-pub(crate) const unsafe fn raw_from_ptr(url: *const c_char) -> (&'static str, bool) {
+pub(crate) const unsafe fn raw_from_ptr(
+    url: *const c_char,
+) -> (&'static str, bool) {
     unsafe {
         let Ok(c_str) = CStr::from_ptr(url).to_str() else {
             return ("", false);