Фото: Iryna Rybakova / Press Service of the 93rd Kholodnyi Yar Separate Mechanized Brigade of the Ukrainian Armed Forces / Handout / Reuters
`@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.
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Unconsumed bodies: Pull semantics mean nothing happens until you iterate. No hidden resource retention. If you don't consume a stream, there's no background machinery holding connections open.
reader.releaseLock();