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.
Екатерина Щербакова (ночной линейный редактор)
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窃以为有条件的人家，皆应自觉于世风浇薄之际，努力带头隆厚风习礼俗，譬如春联，不见多精彩，但至少不应以粗鄙无文为得意、以言不及义为荣光。
Publication date: 28 February 2026