utils/comparisons.go

package utils

// GetSharedElementsOfStringSlices finds the elements that are in both slices
func GetSharedElementsOfStringSlices(a, b []string) []string {
	// Create a map to store the elements of "b"
	mapOfElementsOfSliceB := make(map[string]bool)
	for _, e := range b {
		mapOfElementsOfSliceB[e] = true
	}

	// Iterate through "a" and find the elements that are not in "b"
	var sharedElementsOfBothSlices []string
	for _, e := range a {
		if mapOfElementsOfSliceB[e] {
			sharedElementsOfBothSlices = append(sharedElementsOfBothSlices, e)
		}
	}

	return sharedElementsOfBothSlices
}

// GetUniqueElementsOfStringSlices finds the elements that are in the first slice but not in the second slice
func GetUniqueElementsOfStringSlices(a, b []string) []string {
	// Create a map to store the elements of "b"
	mapOfElementsOfSliceB := make(map[string]bool)
	for _, e := range b {
		mapOfElementsOfSliceB[e] = true
	}

	// Iterate through "a" and find the elements that are not in "b"
	var uniqueElementsOfSliceA []string
	for _, e := range a {
		if !mapOfElementsOfSliceB[e] {
			uniqueElementsOfSliceA = append(uniqueElementsOfSliceA, e)
		}
	}

	return uniqueElementsOfSliceA
}