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Pick

func Pick[K comparable, V any](mapInstance map[K]V, keys []K) map[K]V

Pick creates a new map containing only the specified keys. Keys that don't exist in the original map are ignored.

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package main

import (
    "fmt"

    "github.com/Goldziher/go-utils/maputils"
)

func main() {
    user := map[string]any{
        "name":     "Alice",
        "age":      30,
        "email":    "alice@example.com",
        "password": "secret",
        "role":     "admin",
    }

    // Pick only public fields
    public := maputils.Pick(user, []string{"name", "age", "role"})

    fmt.Printf("%v\n", public)
    // map[age:30 name:Alice role:admin]
}