For fun I started implementing a program that uses genetics algorithm's to solve the travelling salesman problem. I want to sort an array of chromosome structures according to their fitness. I now get the error:
core.exception.AssertError@C:\D\dmd2\windows\bin\..\..\src\phobos\std\algorithm. d(6714): Failed to sort range of type chromosome[]. Actual result is: [chromosom e([city(20, 0), city(25, 25), city(10, 65), city(50, 50), city(75, 30), city(0, 10)]), chromosome([city(10, 65), city(50, 50), city(25, 25), city(75, 30), city( ... I have no idea what is wrong with my code and the error is not very informative. Does anyone have any idea as to what the problem could be? (full code is at https://dl.dropbox.com/u/15024434/travelling_salesman.d , If it's not something obvious then I'm going to try to reduce it to something as small as possible) Maarten
