Transforms don't execute until the consumer pulls. There's no eager evaluation, no hidden buffering. Data flows on-demand from source, through transforms, to the consumer. If you stop iterating, processing stops.
"questStatus": "Active"
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Time-travel debugging might sound like a complex feature reserved for heavy-duty enterprise tools, but it fundamentally comes down to architectural design; it takes less than 100 lines of code to implement, and that figure includes our Effect System.
Alison Francis,Senior Science Journalist