Itemsfrom

Itemsfrom, sometimes written as itemsFrom, is a term used in programming and data-processing contexts to denote the source of elements being processed. It is not a formal keyword in major programming languages, but rather a descriptive name that appears in documentation, tutorials, and API examples to indicate where a sequence of items originates.

Usage and semantics

In practice, itemsfrom is used as a descriptive function, parameter, or operator that yields or exposes items from a given source. The concept commonly maps to returning an iterable, generator, or stream of elements drawn from a collection, dataset, or external input. In code, an API might expose itemsfrom(source) to signal that subsequent operations should operate on the elements provided by that source, or a pipeline stage may accept itemsfrom as a way to specify its input.

Variations and context

Because itemsfrom is not a standardized keyword, its exact form varies by language and framework. Some examples use a function named itemsFrom(source), while others use an input parameter named itemsfrom or a method like source.items(). In pseudocode and tutorials, itemsfrom serves as an intuitive hook for the data entering a processing step, improving readability by explicitly naming the origin of items.

Relation to related concepts

Itemsfrom is related to general concepts such as iterators, generators, streams, and data sources. It overlaps with ideas like input sources, from-clauses in query languages, and pipelines that pass items from one stage to the next. When used, it often functions as an alias for the source from which a process reads data.

See also

Iterator, Generator, Data source, Stream, Input.