Add more integer to boolean conversions

Signed-off-by: yveshield <yveshield@gmail.com>
Signed-off-by: Yveshield <yveshield@gmail.com>

cast_test.go

@@ -796,6 +796,15 @@ func TestToBoolE(t *testing.T) {
 		iserr  bool
 	}{
 		{0, false, false},
+		{int64(0), false, false},
+		{int32(0), false, false},
+		{int16(0), false, false},
+		{int8(0), false, false},
+		{uint(0), false, false},
+		{uint64(0), false, false},
+		{uint32(0), false, false},
+		{uint16(0), false, false},
+		{uint8(0), false, false},
 		{jf, false, false},
 		{nil, false, false},
 		{"false", false, false},
@@ -811,10 +820,23 @@ func TestToBoolE(t *testing.T) {
 		{"t", true, false},
 		{"T", true, false},
 		{1, true, false},
+		{int64(1), true, false},
+		{int32(1), true, false},
+		{int16(1), true, false},
+		{int8(1), true, false},
+		{uint(1), true, false},
+		{uint64(1), true, false},
+		{uint32(1), true, false},
+		{uint16(1), true, false},
+		{uint8(1), true, false},
 		{jt, true, false},
 		{je, true, false},
 		{true, true, false},
 		{-1, true, false},
+		{int64(-1), true, false},
+		{int32(-1), true, false},
+		{int16(-1), true, false},
+		{int8(-1), true, false},
 
 		// errors
 		{"test", false, true},

caste.go

@@ -97,11 +97,10 @@ func ToBoolE(i interface{}) (bool, error) {
 		return b, nil
 	case nil:
 		return false, nil
-	case int:
-		if i.(int) != 0 {
-			return true, nil
-		}
-		return false, nil
+	case int, int64, int32, int16, int8:
+		return ToInt64(i) != 0, nil
+	case uint, uint64, uint32, uint16, uint8:
+		return ToUint64(i) != 0, nil
 	case string:
 		return strconv.ParseBool(i.(string))
 	case json.Number: