Another reason for some of your entries to not compile seems to be that you...

...names that start with a number, like rosettacode_24_game_solve_00.d, I usually...

...in Rosettacode.

What version of the D compiler are you using? I am assuming Rosettacode...

...download and compile all D examples from Rosettacode. From 186 of 716 examples fail to...

...more idiomatic and improve it. ;)

[0] http://rosettacode.org/wiki/Reports:Tasks_not_implemented_in...

...on Rosetta Code are well-written http://rosettacode.org/wiki/Category:D I think bearophile...

...would be bearophile's work on  Rosetta Code

http://rosettacode.org/wiki/Category:D

--
Paulo

...too, but a less well). See:
http://rosettacode.org/wiki/Sokoban#Faster_Version

Bye,
bearophile

...a forward difference page on Rosetta Code:

  http://rosettacode.org/wiki/Forward_difference#D

Ali

...about learning D. Otherwise the online docs, Rosettacode and the book by a person that...