From 919ad9d1022edec7fdd97f74ef50de26dde6aebb Mon Sep 17 00:00:00 2001
From: Aqua-sama <aqua@iserlohn-fortress.net>
Date: Fri, 5 Feb 2021 23:15:37 +0200
Subject: Add IntegerView

---
 libk/stdlib.h | 31 +++++++++++++++++++------------
 1 file changed, 19 insertions(+), 12 deletions(-)

(limited to 'libk/stdlib.h')

diff --git a/libk/stdlib.h b/libk/stdlib.h
index 44bacf4..f031408 100644
--- a/libk/stdlib.h
+++ b/libk/stdlib.h
@@ -4,27 +4,34 @@
 #include <type_traits.h>
 
 class Console {
-public:
+ public:
   virtual void write(char c) = 0;
-  virtual void write(const String &msg) = 0;
-  virtual void write(int n) = 0;
-  virtual void write(unsigned int n) = 0;
+  virtual void write(ViewIterator& msg) = 0;
 
-  static void set(Console *ptr);
-  static Console *get();
+  static void set(Console* ptr);
+  static Console* get();
 };
 
-template <typename T> void printk(const T &a) {
-  if (auto *c = Console::get()) {
-    if constexpr (is_same<T, const char *>())
-      c->write(String(a));
-    else
+template <typename T>
+void printk(const T& a) {
+  if (auto* c = Console::get()) {
+    if constexpr (is_same<T, char>()) {
+      c->write(a);
+    } else if constexpr (requires { StringView(a); }) {
+      StringView v(a);
+      auto iter = v.begin();
+      c->write(iter);
+    } else if constexpr (requires { IntegerView(a); }) {
+      IntegerView v(a);
+      auto iter = v.begin();
+      c->write(iter);
+    } else
       c->write(a);
   }
 }
 
 template <typename T, typename... Args>
-void printk(const T &a, const Args &...x) {
+void printk(const T& a, const Args&... x) {
   printk(a);
   printk(x...);
 }
-- 
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