lo/docs/data/core-mapkeys.md

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

name	slug	sourceRef	category	subCategory	playUrl	variantHelpers	similarHelpers	position	signatures
MapKeys	mapkeys	map.go#L283	core	map	https://go.dev/play/p/9_4WPIqOetJ	core#map#mapkeys	core#map#mapvalues core#map#mapentries core#map#keyby core#slice#map	180	func MapKeys[K comparable, V any, R comparable](in map[K]V, iteratee func(value V, key K) R) map[R]V

Transforms map keys using a predicate while keeping values.

in := map[int]int{1:1, 2:2}
out := lo.MapKeys(in, func(v int, _ int) string {
    return strconv.Itoa(v)
})
// map[string]int{"1":1, "2":2}