Create a print function

1 files changed, 7 insertions, 2 deletions

diff --git a/kernel/src/lib.rs b/kernel/src/lib.rs
index a27f0a7..48cb93d 100644
--- a/kernel/src/lib.rs
+++ b/kernel/src/lib.rs
@@ -1,6 +1,6 @@
+#![no_main]
 #![feature(compiler_builtins_lib)]
 #![no_std]
-#![no_main]
 
 extern crate compiler_builtins;
 
@@ -11,11 +11,16 @@ use core::fmt::Write;
 
 #[no_mangle]
 pub extern "C" fn _start() -> ! {
-
     let mut stdout = vga_text::OStream::new();
     stdout.clear();
+
     write!(&mut stdout, "hello world!");
 
+    core::iter::successors(Some(0), |n| Some(n + 1))
+        .for_each(|n|
+            write!(&mut stdout, "hello world {}!", n).unwrap()
+        );
+
     loop {}
 }