diff options
| -rw-r--r-- | typescript.html.markdown | 7 | 
1 files changed, 7 insertions, 0 deletions
| diff --git a/typescript.html.markdown b/typescript.html.markdown index db6579e2..9158f123 100644 --- a/typescript.html.markdown +++ b/typescript.html.markdown @@ -113,6 +113,13 @@ class Point {    static origin = new Point(0, 0);  } +// Classes can be explicitly marked as implementing an interface. +// Any missing properties will then cause an error at compile-time.  +class PointPerson implements Person { +    name: string +    move() {} +} +  let p1 = new Point(10, 20);  let p2 = new Point(25); //y will be 0 | 
