string(buffer, len) cast

vlib/builtin/string_test.v

@@ -318,3 +318,14 @@ fn test_interpolation() {
 	assert s == 'baz=baz' 
  
 } 
+
+fn test_bytes_to_string() {
+	mut buf := malloc(10) 
+	buf[0] = `h` 
+	buf[1] = `e` 
+	buf[2] = `l` 
+	buf[3] = `l` 
+	buf[4] = `o` 
+	assert string(buf) == 'hello' 
+	assert string(buf, 2) == 'he' 
+}