feat(zarr-indexing): LazyArray — generic lazy indexing over array-API arrays - #4222

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d-v-b:feat/lazy-array-wrapper

Commits on Jul 31, 2026

feat(zarr-indexing): LazyArray — generic lazy indexing over array-API arrays
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feat(zarr-indexing): negative-step slices, per merged ndsel 1.0-draft.2
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polish(zarr-indexing): re-review minors — step-zero ValueError, kw-only Partition, strides docs
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docs(zarr-indexing): plain technical language throughout
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docs(zarr-indexing): American spelling (flavour -> flavor)
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ci(zarr-indexing): scoped lint ignores for the deliberate blind excepts
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ci(zarr-indexing): pin ruff in the lint job and justfile
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docs: add lazy-indexing examples for NumPy and Dask
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docs: compare dask task graphs with fused transforms in the dask example
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test: run examples against this repository's local packages
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feat(zarr-indexing): negotiate what indexing a source supports
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fix(zarr-indexing): token the data, not how it is read
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fix(zarr-indexing): an empty downward walk selects nothing
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fix(zarr-indexing): a selection of slices is not a fancy selection
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fix(zarr-indexing): count a domain axis no output map depends on
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fix(zarr-indexing): a materialized view never hands back the source
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docs(zarr-indexing): correct claims a reviewer found false
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fix(zarr-indexing): hold the full-rank invariant inside the engine
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fix(zarr-indexing): an index array spans the domain it is read over
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test(zarr-indexing): a state machine for chained indexing, and the rank-0 part it found
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fix(zarr-indexing): the defects an adversarial review found at the boundaries
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test(zarr-indexing): generate the selections that were never generated
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refactor(zarr-indexing)!: settle the API decisions that get dearer after 1.0
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Commits on Aug 1, 2026

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Commits on Aug 3, 2026