Browse the implementors of #beVariable message and you will find other filters under BPatternVariableNode class, such as #beInstVar or #beLocalVar. If you miss something, just add a method. No new syntax required.
FirstFT: the day's biggest stories
，这一点在heLLoword翻译官方下载中也有详细论述
Base image: Intel 80386 DX die, Wikimedia Commons
While they fly around the far side of the Moon, the crew will have three hours dedicated to lunar observation - to gaze, take images and to study its geology, which will help plan and prepare for a future landing at the Moon's south pole.
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