diff --git a/go.mod b/go.mod
index f8c2cf5..cf5e52b 100644
--- a/go.mod
+++ b/go.mod
@@ -1,3 +1,3 @@
 module git.tordarus.net/Tordarus/envvars
 
-go 1.17
+go 1.18
diff --git a/slices.go b/slices.go
index d145a5d..fafda53 100644
--- a/slices.go
+++ b/slices.go
@@ -24,7 +24,7 @@ func RuneSlice(key, sep string) []rune {
 func IntSlice(key, sep string) []int {
 	res := make([]int, 0)
 	for _, s := range StringSlice(key, sep) {
-		if v, err := strconv.ParseInt(s, 10, 64); err != nil {
+		if v, err := strconv.ParseInt(s, 10, 64); err == nil {
 			res = append(res, int(v))
 		}
 	}
@@ -34,7 +34,7 @@ func IntSlice(key, sep string) []int {
 func Int8Slice(key, sep string) []int8 {
 	res := make([]int8, 0)
 	for _, s := range StringSlice(key, sep) {
-		if v, err := strconv.ParseInt(s, 10, 64); err != nil {
+		if v, err := strconv.ParseInt(s, 10, 64); err == nil {
 			res = append(res, int8(v))
 		}
 	}
@@ -44,7 +44,7 @@ func Int8Slice(key, sep string) []int8 {
 func Int16Slice(key, sep string) []int16 {
 	res := make([]int16, 0)
 	for _, s := range StringSlice(key, sep) {
-		if v, err := strconv.ParseInt(s, 10, 64); err != nil {
+		if v, err := strconv.ParseInt(s, 10, 64); err == nil {
 			res = append(res, int16(v))
 		}
 	}
@@ -54,7 +54,7 @@ func Int16Slice(key, sep string) []int16 {
 func Int32Slice(key, sep string) []int32 {
 	res := make([]int32, 0)
 	for _, s := range StringSlice(key, sep) {
-		if v, err := strconv.ParseInt(s, 10, 64); err != nil {
+		if v, err := strconv.ParseInt(s, 10, 64); err == nil {
 			res = append(res, int32(v))
 		}
 	}
@@ -64,7 +64,7 @@ func Int32Slice(key, sep string) []int32 {
 func Int64Slice(key, sep string) []int64 {
 	res := make([]int64, 0)
 	for _, s := range StringSlice(key, sep) {
-		if v, err := strconv.ParseInt(s, 10, 64); err != nil {
+		if v, err := strconv.ParseInt(s, 10, 64); err == nil {
 			res = append(res, v)
 		}
 	}
@@ -74,7 +74,7 @@ func Int64Slice(key, sep string) []int64 {
 func Uint8Slice(key, sep string) []uint8 {
 	res := make([]uint8, 0)
 	for _, s := range StringSlice(key, sep) {
-		if v, err := strconv.ParseUint(s, 10, 64); err != nil {
+		if v, err := strconv.ParseUint(s, 10, 64); err == nil {
 			res = append(res, uint8(v))
 		}
 	}
@@ -84,7 +84,7 @@ func Uint8Slice(key, sep string) []uint8 {
 func Uint16Slice(key, sep string) []uint16 {
 	res := make([]uint16, 0)
 	for _, s := range StringSlice(key, sep) {
-		if v, err := strconv.ParseUint(s, 10, 64); err != nil {
+		if v, err := strconv.ParseUint(s, 10, 64); err == nil {
 			res = append(res, uint16(v))
 		}
 	}
@@ -94,7 +94,7 @@ func Uint16Slice(key, sep string) []uint16 {
 func Uint32Slice(key, sep string) []uint32 {
 	res := make([]uint32, 0)
 	for _, s := range StringSlice(key, sep) {
-		if v, err := strconv.ParseUint(s, 10, 64); err != nil {
+		if v, err := strconv.ParseUint(s, 10, 64); err == nil {
 			res = append(res, uint32(v))
 		}
 	}
@@ -104,7 +104,7 @@ func Uint32Slice(key, sep string) []uint32 {
 func Uint64Slice(key, sep string) []uint64 {
 	res := make([]uint64, 0)
 	for _, s := range StringSlice(key, sep) {
-		if v, err := strconv.ParseUint(s, 10, 64); err != nil {
+		if v, err := strconv.ParseUint(s, 10, 64); err == nil {
 			res = append(res, v)
 		}
 	}
@@ -114,7 +114,7 @@ func Uint64Slice(key, sep string) []uint64 {
 func Float32Slice(key, sep string) []float32 {
 	res := make([]float32, 0)
 	for _, s := range StringSlice(key, sep) {
-		if v, err := strconv.ParseFloat(s, 64); err != nil {
+		if v, err := strconv.ParseFloat(s, 64); err == nil {
 			res = append(res, float32(v))
 		}
 	}
@@ -124,7 +124,7 @@ func Float32Slice(key, sep string) []float32 {
 func Float64Slice(key, sep string) []float64 {
 	res := make([]float64, 0)
 	for _, s := range StringSlice(key, sep) {
-		if v, err := strconv.ParseFloat(s, 64); err != nil {
+		if v, err := strconv.ParseFloat(s, 64); err == nil {
 			res = append(res, v)
 		}
 	}
@@ -134,7 +134,7 @@ func Float64Slice(key, sep string) []float64 {
 func Complex64Slice(key, sep string) []complex64 {
 	res := make([]complex64, 0)
 	for _, s := range StringSlice(key, sep) {
-		if v, err := strconv.ParseComplex(s, 64); err != nil {
+		if v, err := strconv.ParseComplex(s, 64); err == nil {
 			res = append(res, complex64(v))
 		}
 	}
@@ -144,7 +144,7 @@ func Complex64Slice(key, sep string) []complex64 {
 func Complex128Slice(key, sep string) []complex128 {
 	res := make([]complex128, 0)
 	for _, s := range StringSlice(key, sep) {
-		if v, err := strconv.ParseComplex(s, 64); err != nil {
+		if v, err := strconv.ParseComplex(s, 64); err == nil {
 			res = append(res, v)
 		}
 	}
@@ -154,7 +154,17 @@ func Complex128Slice(key, sep string) []complex128 {
 func BoolSlice(key, sep string) []bool {
 	res := make([]bool, 0)
 	for _, s := range StringSlice(key, sep) {
-		if v, err := strconv.ParseBool(s); err != nil {
+		if v, err := strconv.ParseBool(s); err == nil {
+			res = append(res, v)
+		}
+	}
+	return res
+}
+
+func ObjectSlice[T any](key, sep string, converter func(string) (T, error)) []T {
+	res := make([]T, 0)
+	for _, s := range StringSlice(key, sep) {
+		if v, err := converter(s); err == nil {
 			res = append(res, v)
 		}
 	}
diff --git a/vars.go b/vars.go
index 0799ce9..74062da 100644
--- a/vars.go
+++ b/vars.go
@@ -148,3 +148,12 @@ func Bool(key string, defaultValue bool) bool {
 	}
 	return defaultValue
 }
+
+func Object[T any](key string, defaultValue T, converter func(string) (T, error)) T {
+	if v, ok := os.LookupEnv(key); ok {
+		if v2, err := converter(v); err == nil {
+			return v2
+		}
+	}
+	return defaultValue
+}