From da4c7807b37826cfe5ff9d4954696eed4cb1d40a Mon Sep 17 00:00:00 2001
From: pointer-to-bios <pointer-to-bios@outlook.com>
Date: Mon, 5 Feb 2024 21:57:33 +0800
Subject: [PATCH] =?UTF-8?q?=E6=94=BE=E5=BC=83=E4=BD=BF=E7=94=A8=E8=87=AA?=
 =?UTF-8?q?=E5=AE=9A=E4=B9=89=E7=9A=84format=E5=AE=8F?=
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---
 src/kernel/clock/time.rs      |  4 +---
 src/libk/string/format/mod.rs | 38 -----------------------------------
 src/libk/string/mod.rs        |  1 -
 3 files changed, 1 insertion(+), 42 deletions(-)
 delete mode 100644 src/libk/string/format/mod.rs

diff --git a/src/kernel/clock/time.rs b/src/kernel/clock/time.rs
index 29f86bd..a2eea96 100644
--- a/src/kernel/clock/time.rs
+++ b/src/kernel/clock/time.rs
@@ -1,8 +1,6 @@
 use core::{cmp::Ordering, ops::Sub, time::Duration};
 
-use alloc::string::ToString;
-
-use crate::format;
+use alloc::{format, string::ToString};
 
 extern "C" {
     fn system_time_get() -> usize;
diff --git a/src/libk/string/format/mod.rs b/src/libk/string/format/mod.rs
deleted file mode 100644
index 8d63056..0000000
--- a/src/libk/string/format/mod.rs
+++ /dev/null
@@ -1,38 +0,0 @@
-use alloc::string::{String, ToString};
-
-#[macro_export]
-macro_rules! format {
-    ( $s : expr, $( $e : expr ),* ) => {{
-        use crate::libk::string::format::Format;
-        let mut res = $s.to_string();
-        $(
-            res.format($e);
-        )*
-        res
-    }};
-    () => {};
-}
-
-pub trait Format<T: ToString> {
-    fn format(&mut self, f: T);
-}
-
-impl<T: ToString> Format<T> for String {
-    fn format(&mut self, f: T) {
-        let mut res = String::new();
-        let mut formatting = false;
-        for c in self.chars().into_iter() {
-            if c == '{' {
-                formatting = true;
-                res += &f.to_string();
-            } else if c == '}' {
-                formatting = false;
-            }
-            if !formatting {
-                res.push(c);
-            }
-        }
-        self.clear();
-        self.push_str(&res);
-    }
-}
diff --git a/src/libk/string/mod.rs b/src/libk/string/mod.rs
index db7b59d..e69de29 100644
--- a/src/libk/string/mod.rs
+++ b/src/libk/string/mod.rs
@@ -1 +0,0 @@
-pub mod format;