Features in one attribute

ableos/src/lib.rs

@@ -4,11 +4,13 @@
 //!
 
 #![no_std]
-#![feature(abi_x86_interrupt)]
+#![feature(
-#![feature(alloc_error_handler)]
+    abi_x86_interrupt,
-#![feature(prelude_import)]
+    alloc_error_handler,
-#![feature(asm_sym)] // Needed for riscv
+    asm_sym, // Needed for RISC-V
-#![feature(naked_functions)]
+    naked_functions,
+    prelude_import,
+)]
 
 #[macro_use]
 pub extern crate log;