Refactor

user/test_pic/src/main.rs

@@ -1,11 +1,26 @@
 #![no_std]
 #![no_main]
+#![feature(fmt_internals)]
+
+use core::fmt::{write, Arguments, Write};
+
+use os_std::syscall;
 os_std::custom_std_setup! {}
 
-use os_std::syscall::write_string_temp;
-
 fn main() {
-    write_string_temp(
-        "Hello from PIC program loaded dynamically with custom std and a better justfile, and syscalls !",
-    );
+    let mut test = String::new();
+    test.push('A');
+    test.push('B');
+    for _ in 0..50 {
+        test.push('C');
+    }
+    let mut b = String::from("test");
+    // (&mut b as &mut dyn Write).write_str("string: uaeuieuei");
+    syscall::write_string_temp(&b);
+    // write(&mut b, Arguments::from_str_nonconst("string: uaeuieuei"));
+    // write(&mut b, format_args!("string: uaeuie{}", "uei"));
+    // syscall::write_int_temp(b.capacity() as u64);
+    // syscall::write_string_temp(&b);
+    // println!("{}", test);
+    // println!("Hello from PIC program loaded dynamically with custom std and a better justfile, and syscalls !");
 }