# \#fgnerator

**URL:** https://discourse.julialang.org/tag/fgnerator/757.md

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## [Composing collection of iterators that accept iterators and collecting the result](https://discourse.julialang.org/t/composing-collection-of-iterators-that-accept-iterators-and-collecting-the-result/66082)

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**Author:** [@djholiver](https://discourse.julialang.org/u/djholiver)\
**Replies:** 0\
**Last updated:** [August 9, 2021, 4:41pm UTC](https://discourse.julialang.org/t/composing-collection-of-iterators-that-accept-iterators-and-collecting-the-result/66082 "2021-08-09T16:41:25Z")

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Hi, I have a series of methods that return the relevant query indexes for a filter type e.g. “Between(0,500\]” or “name = Julia” that are combined: function queryModelCollection(iQuery :: QueryModels.QueryModel, data :…