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The notes don't define identifiers m and seq. Describe in words instead. While here, rename 3-structs.md to 4-structs.md. For #65614. Change-Id: I6690f552903d1870c70e28673c87ac84b7c5c041 Reviewed-on: https://go-review.googlesource.com/c/go/+/592195 Reviewed-by: Ian Lance Taylor <iant@google.com> Reviewed-by: Dmitri Shuralyov <dmitshur@golang.org> LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
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Iterators
The new [iter] package provides the basic definitions for working with user-defined iterators.
The [slices] package adds several functions that work with iterators:
- All returns an iterator over slice indexes and values.
- Values returns an iterator over slice elements.
- Backward returns an iterator that loops over a slice backward.
- Collect collects values from an iterator into a new slice.
- AppendSeq appends values from an iterator to an existing slice.
- Sorted collects values from an iterator into a new slice, and then sorts the slice.
- SortedFunc is like
Sortedbut with a comparison function. - SortedStableFunc is like
SortFuncbut uses a stable sort algorithm. - Chunk returns an iterator over consecutive sub-slices of up to n elements of a slice.
The [maps] package adds several functions that work with iterators:
- All returns an iterator over key-value pairs from a map.
- Keys returns an iterator over keys in a map.
- Values returns an iterator over values in a map.
- Insert adds the key-value pairs from an iterator to an existing map.
- Collect collects key-value pairs from an iterator into a new map and returns it.