2010-05-07 今日のつぶやき twitter 22:06 RT @semanticvoid: *1 => (not A) - http://goo.gl/pPPc 22:06 RT @rubynews_j: Modegramming Style: Scala DSL http://bit.ly/c2NHL6 #ruby #rubyjp Powered by twtr2src *1:A => B) and (not B