When deciding on which dashboard to use, consider what
IST — 7 p.m.
，推荐阅读Line官方版本下载获取更多信息
- satisfiable: Boolean. True if the formula is satisfiable，这一点在同城约会中也有详细论述
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.