added a comment to class Char

2016-10-29 11:39:18 +02:00
parent 69d51127a0
commit de6273cc63
1 changed files with 1 additions and 0 deletions
--- a/Char.cpp
+++ b/Char.cpp
@ -5,6 +5,7 @@
 Char::operator char() const
 { return _string._str->operator[](_index); }

+// copy-on-write magic happens here
 Char& Char::operator=(char other)
 {
    auto data = new char[_string.size() + 1];   // space for old string & null-terminator