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| -rw-r--r-- | c++.html.markdown | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/c++.html.markdown b/c++.html.markdown index 80ad3a6c..fc9f6ce2 100644 --- a/c++.html.markdown +++ b/c++.html.markdown @@ -553,10 +553,14 @@ Point Point::operator+(const Point& rhs) const return Point(x + rhs.x, y + rhs.y); } +// It's good practice to return a reference to the leftmost variable of +// an assignment. `(a += b) == c` will work this way. Point& Point::operator+=(const Point& rhs) { x += rhs.x; y += rhs.y; + + // `this` is a pointer to the object, on which a method is called. return *this; } |