Because all heap-allocated objects are 8-byte aligned (due to GCALIGNMENT), their addresses always end in 000 in binary. These 3 bits are "free" — we can borrow them to store type information without losing any address precision.
Lex: FT's flagship investment column。业内人士推荐新收录的资料作为进阶阅读
，详情可参考新收录的资料
Педиатр раскрыла требующую обращения к врачу температуру у ребенка07:50，详情可参考新收录的资料
Code dump for 2.16
第六十三条 有下列行为之一的，处十日以上十五日以下拘留，可以并处五千元以下罚款；情节较轻的，处五日以上十日以下拘留，可以并处三千元以下罚款：