[Start to manage the files in Darcs
kztk@kb.ecei.tohoku.ac.jp**20100914072445
 Ignore-this: 170d92f89cd58b793fdb0afe96ba3531
] 
hash: 0018603125-4dad8441d8abb904070e196718e4f3b053563056a2ca424ab66ad2c2716baa66
[Add program examples
kztk@kb.ecei.tohoku.ac.jp**20100915155559
 Ignore-this: b3b151ebb644e715a53e7830a315c20b
] 
hash: 0000004661-71846601bbd014786c236358693f0776474348b7f06df7f5360b951a38b069c4
[Array.create -> Array.make
kztk@kb.ecei.tohoku.ac.jp**20100915155629
 Ignore-this: f916553049432bb5a976b791d239fad4
] 
hash: 0000000310-5ccb7d1fe3f3a377738766fc87d957ef6e6016ba8fc3cc21ef0e9d6d2cd06ae5
[Separate files + Small tweak
kztk@kb.ecei.tohoku.ac.jp**20101008025623
 Ignore-this: 4ee32f480c0dc7585d1000ef8cd10c13
] 
hash: 0000281617-09373218353ea3fe370eb6a6f0e18985892d18763eeeaf5cbb59aea01ecefcac