add missing getters type conversions

getters.go

@@ -36,6 +36,8 @@ func (ko *Koanf) Int64s(path string) []int64 {
 
 	var out []int64
 	switch v := o.(type) {
+	case []int64:
+		return v
 	case []int:
 		out = make([]int64, 0, len(v))
 		for _, vi := range v {
@@ -150,6 +152,12 @@ func (ko *Koanf) Ints(path string) []int {
 	switch v := o.(type) {
 	case []int:
 		return v
+	case []int64:
+		out = make([]int, 0, len(v))
+		for _, vi := range v {
+			out = append(out, int(vi))
+		}
+		return out
 	case []interface{}:
 		out = make([]int, 0, len(v))
 		for _, vi := range v {
@@ -233,6 +241,8 @@ func (ko *Koanf) Float64s(path string) []float64 {
 
 	var out []float64
 	switch v := o.(type) {
+	case []float64:
+		return v
 	case []interface{}:
 		out = make([]float64, 0, len(v))
 		for _, vi := range v {
@@ -243,7 +253,7 @@ func (ko *Koanf) Float64s(path string) []float64 {
 			if err != nil {
 				return []float64{}
 			}
-			out = append(out, float64(i))
+			out = append(out, i)
 		}
 		return out
 	}