Fixed most of the clippy warnings/suggestions.

kernel/src/lib.rs

@@ -5,13 +5,13 @@ extern crate alloc;
 
 use core::arch::asm;
 use lib_alloc::allocator::init_heap;
-use limine::request::{RequestsEndMarker, RequestsStartMarker};
 use limine::BaseRevision;
 
 pub use lib_ascii::{print, print_log, println, println_log, WRITER};
 pub use lib_serial::{serial_print, serial_println, serial_read};
-use x86_64::structures::paging::Translate;
-use x86_64::{PhysAddr, VirtAddr};
+// use x86_64::structures::paging::Translate;
+// use x86_64::PhysAddr;
+use x86_64::VirtAddr;
 
 mod arch;
 
@@ -23,14 +23,6 @@ mod arch;
 #[link_section = ".requests"]
 static BASE_REVISION: BaseRevision = BaseRevision::new();
 
-/// Define the stand and end markers for Limine requests.
-#[used]
-#[link_section = ".requests_start_marker"]
-static _START_MARKER: RequestsStartMarker = RequestsStartMarker::new();
-#[used]
-#[link_section = ".requests_end_marker"]
-static _END_MARKER: RequestsEndMarker = RequestsEndMarker::new();
-
 #[panic_handler]
 fn rust_panic(_info: &core::panic::PanicInfo) -> ! {
     println!("Kernel panic: {}", _info);
@@ -82,8 +74,8 @@ pub fn boot() -> Result<(), &'static str> {
     println_log!("[Success]");
 
     print_log!("    Initialising Heap... ");
-    if let Err(e) = init_heap(&mut l4_table, &mut frame_allocator) {
-        return Err("Failed to initialise heap");
+    if init_heap(&mut l4_table, &mut frame_allocator).is_err() {
+        return Err("Failed to initialise heap: error");
     }
     println_log!("[Success]");