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lo/docs/data/core-unzipbyx.md
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2025-10-06 19:59:26 +02:00

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name, slug, sourceRef, category, subCategory, signatures, playUrl, variantHelpers, similarHelpers, position
name slug sourceRef category subCategory signatures playUrl variantHelpers similarHelpers position
UnzipByX unzipbyx tuples.go#L698 core tuple
func UnzipBy2[In any, A any, B any](items []In, predicate func(In) (a A, b B)) ([]A, []B)
func UnzipBy3[In any, A any, B any, C any](items []In, predicate func(In) (a A, b B, c C)) ([]A, []B, []C)
func UnzipBy4[In any, A any, B any, C any, D any](items []In, predicate func(In) (a A, b B, c C, d D)) ([]A, []B, []C, []D)
func UnzipBy5[In any, A any, B any, C any, D any, E any](items []In, predicate func(In) (a A, b B, c C, d D, e E)) ([]A, []B, []C, []D, []E)
func UnzipBy6[In any, A any, B any, C any, D any, E any, F any](items []In, predicate func(In) (a A, b B, c C, d D, e E, f F)) ([]A, []B, []C, []D, []E, []F)
func UnzipBy7[In any, A any, B any, C any, D any, E any, F any, G any](items []In, predicate func(In) (a A, b B, c C, d D, e E, f F, g G)) ([]A, []B, []C, []D, []E, []F, []G)
func UnzipBy8[In any, A any, B any, C any, D any, E any, F any, G any, H any](items []In, predicate func(In) (a A, b B, c C, d D, e E, f F, g G, h H)) ([]A, []B, []C, []D, []E, []F, []G, []H)
func UnzipBy9[In any, A any, B any, C any, D any, E any, F any, G any, H any, I any](items []In, predicate func(In) (a A, b B, c C, d D, e E, f F, g G, h H, i I)) ([]A, []B, []C, []D, []E, []F, []G, []H, []I)
https://go.dev/play/p/tN8yqaRZz0r
core#tuple#unzipbyx
core#tuple#tuplex
core#tuple#unpackx
core#tuple#zipx
core#tuple#zipbyx
core#tuple#unzipx
core#slice#map
core#slice#filtermap
40

Transforms each input element into a tuple and splits results into parallel slices. Variants support arities from 2 to 9.

Variants: UnzipBy2..UnzipBy9

type User struct{ ID int; Name string }
ids, names := lo.UnzipBy2([]User{{1,"a"},{2,"b"}}, func(u User) (int, string) {
    return u.ID, u.Name
})