nettools/common/defaultVals.go

package commonUtils

func DefaultIfEqual[T comparable](in T, checkEqualTo T, defaultVal T) T {
	if in == checkEqualTo {
		return defaultVal
	}
	return in
}

// If in is empty returns the devaultVal. Else returns in
func ValOrDefaultStr(in string, defaultVal string) string {
	if in == "" {
		return defaultVal
	}
	return in
}

// If in is 0 returns the devaultVal. Else returns in
func ValOrDefaultNum[T Num](in T, defaultVal T) T {
	if in == 0 {
		return defaultVal
	}
	return in
}

// If array is equal to nil -- will return an empty array instead
func UnnilArray[T any](in []T) []T {
	if in == nil {
		return []T{}
	}
	return nil
}

// If map is equal to nil -- will return an empty map instead
func UnnilMap[K comparable, V any](in map[K]V) map[K]V {
	if in == nil {
		return make(map[K]V)
	}
	return make(map[K]V)
}