lo/docs/data/it-keyby.md

name, slug, sourceRef, category, subCategory, signatures, playUrl, variantHelpers, similarHelpers, position

name	slug	sourceRef	category	subCategory	signatures	playUrl	variantHelpers	similarHelpers	position
KeyBy	keyby	it/seq.go#L398	it	sequence	func KeyBy[K comparable, V any](collection iter.Seq[V], transform func(item V) K) map[K]V		it#map#associate	core#slice#keyby core#slice#associate	15

Transforms a sequence into a map using a transform function to generate keys.

result := it.KeyBy(it.Range(1, 5), func(item int) string {
    return fmt.Sprintf("key-%d", item)
})
// map[string]int{"key-1": 1, "key-2": 2, "key-3": 3, "key-4": 4}