Python's itertools module in TypeScript

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Upstream Surface Inventory 11/20 shipped • 4 next 55%

Namespace-level inventory for Python 3.12: what we already ship, what we may still want, and what we intentionally skip or keep.

11/15 shipped 4 next 5 explicit non-goals

itertools

Shipped (11)

Predicate-based slicing has a clean plain-value contract.

dropwhile
takewhile

Predicate-based filtering has a clean plain-value contract.

filterfalse

Spread-argument mapping still has a clean plain-value contract.

starmap

Explicit non-goals (5)

count Skip Many itertools helpers are lazy or stateful iterator factories rather than direct plain values.
cycle Skip Many itertools helpers are lazy or stateful iterator factories rather than direct plain values.
groupby Skip Many itertools helpers are lazy or stateful iterator factories rather than direct plain values.
repeat Skip Many itertools helpers are lazy or stateful iterator factories rather than direct plain values.
tee Skip Many itertools helpers are lazy or stateful iterator factories rather than direct plain values.

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