C's Biggest Mistake on Hacker News

[Walter Bright]

On 7/24/2018 4:53 AM, Ecstatic Coder wrote:
>      str = str1 + " " + str2;

But you have to be careful how it is written:

     str = "hello" + "world";
     str = "hello" + "world" + str1;

don't work, etc.