diff --git a/src/builtins/basic.c b/src/builtins/basic.c
index b803e26..eb3a099 100644
--- a/src/builtins/basic.c
+++ b/src/builtins/basic.c
@@ -88,6 +88,38 @@ static Object *bin_unicode(Runtime *runtime, Object **argv, unsigned int argc, E
 	return Object_FromInt(ret,Runtime_GetHeap(runtime),error);
 }
 
+static Object *bin_chr(Runtime *runtime, Object **argv, unsigned int argc, Error *error)
+{
+
+	assert(argc == 1);
+
+	
+	if(!Object_IsInt(argv[0]))
+		{
+			Error_Report(error, 0, "Argument #%d is not a integer", 1);
+			return NULL;
+		}
+
+
+	char buff[32];
+	
+	int value = Object_ToInt(argv[0],error);
+
+	if(error->occurred)
+		return NULL;
+
+	
+	int k = utf8_sequence_from_utf32_codepoint(buff,sizeof(buff),value);
+
+	if(k<0)
+	{
+		Error_Report(error, 0, "Argument #%d is not valid utf-32", 1);
+		return NULL;
+	}
+	
+	return Object_FromString(buff,k,Runtime_GetHeap(runtime),error);
+}
+
 static Object *bin_count(Runtime *runtime, Object **argv, unsigned int argc, Error *error)
 {
 	assert(argc == 1);
@@ -284,6 +316,7 @@ const StaticMapSlot bins_basic[] = {
 
 	{ "type", SM_FUNCT, .as_funct = bin_type, .argc = 1 },
 	{ "unicode", SM_FUNCT, .as_funct = bin_unicode, .argc = 1 },
+	{ "chr", SM_FUNCT, .as_funct = bin_chr, .argc = 1 },
 	{ "print", SM_FUNCT, .as_funct = bin_print, .argc = -1 },
 	{ "input", SM_FUNCT, .as_funct = bin_input, .argc = 0 },
 	{ "count", SM_FUNCT, .as_funct = bin_count, .argc = 1 },