erigon-pulse/common/sorted.go

package common

import (
	"golang.org/x/exp/constraints"
	"golang.org/x/exp/slices"
)

func SortedKeys[K constraints.Ordered, V any](m map[K]V) []K {
	keys := make([]K, len(m))
	i := 0
	for k := range m {
		keys[i] = k
		i++
	}
	slices.Sort(keys)
	return keys
}

func RemoveDuplicatesFromSorted[T constraints.Ordered](slice []T) []T {
	for i := 1; i < len(slice); i++ {
		if slice[i] == slice[i-1] {
			slice = append(slice[:i], slice[i+1:]...)
			i--
		}
	}
	return slice
}