lo/docs/data/core-rejectmap.md

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

name	slug	sourceRef	category	subCategory	playUrl	variantHelpers	similarHelpers	position	signatures
RejectMap	rejectmap	slice.go#L550	core	slice	https://go.dev/play/p/bmXhtuM2OMq	core#slice#rejectmap	core#slice#filtermap core#slice#map core#slice#filter core#slice#reject	270	func RejectMap[T any, R any](collection []T, callback func(item T, index int) (R, bool)) []R

Opposite of FilterMap: maps each item and includes results where the predicate returned false.

items := lo.RejectMap([]int{1, 2, 3, 4}, func(x int, _ int) (int, bool) {
    return x * 10, x%2 == 0
})
// []int{10, 30}