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Yellow: Choices

Мерц резко сменил риторику во время встречи в Китае09:25

，更多细节参见爱思助手下载最新版本

void*next_free;

`@receiver isNil ifTrue: `@nilBlock -> `@receiver ifNil: `@nilBlockIn fact, both versions work—but they apply different filters to the target node. Try to remember which one.