Add ToBoolSlice()
Fixes #1
diff --git a/cast.go b/cast.go
index de5a686..6ca3e0e 100644
--- a/cast.go
+++ b/cast.go
@@ -67,6 +67,11 @@
return v
}
+func ToBoolSlice(i interface{}) []bool {
+ v, _ := ToBoolSliceE(i)
+ return v
+}
+
func ToStringSlice(i interface{}) []string {
v, _ := ToStringSliceE(i)
return v
diff --git a/cast_test.go b/cast_test.go
index fa1ea23..8f6d40b 100644
--- a/cast_test.go
+++ b/cast_test.go
@@ -141,6 +141,10 @@
assert.Equal(t, []int{1, 3}, ToIntSlice([]interface{}{1.2, 3.2}))
assert.Equal(t, []int{2, 3}, ToIntSlice([]string{"2", "3"}))
assert.Equal(t, []int{2, 3}, ToIntSlice([2]string{"2", "3"}))
+ assert.Equal(t, []bool{true, false, true}, ToBoolSlice([]bool{true, false, true}))
+ assert.Equal(t, []bool{true, false, true}, ToBoolSlice([]interface{}{true, false, true}))
+ assert.Equal(t, []bool{true, false, true}, ToBoolSlice([]int{1,0,1}))
+ assert.Equal(t, []bool{true, false, true}, ToBoolSlice([]string{"true","false","true"}))
}
func TestToBool(t *testing.T) {
diff --git a/caste.go b/caste.go
index 9475ca7..38d03de 100644
--- a/caste.go
+++ b/caste.go
@@ -422,6 +422,38 @@
}
}
+// ToBoolSliceE casts an empty interface to a []bool.
+func ToBoolSliceE(i interface{}) ([]bool, error) {
+ jww.DEBUG.Println("ToBoolSliceE called on type:", reflect.TypeOf(i))
+
+ if i == nil {
+ return []bool{}, fmt.Errorf("Unable to Cast %#v to []bool", i)
+ }
+
+ switch v := i.(type) {
+ case []bool:
+ return v, nil
+ }
+
+ kind := reflect.TypeOf(i).Kind()
+ switch kind {
+ case reflect.Slice, reflect.Array:
+ s := reflect.ValueOf(i)
+ a := make([]bool, s.Len())
+ for j := 0; j < s.Len(); j++ {
+ val, err := ToBoolE(s.Index(j).Interface())
+ if err != nil {
+ return []bool{}, fmt.Errorf("Unable to Cast %#v to []bool", i)
+ }
+ a[j] = val
+ }
+ return a, nil
+ default:
+ return []bool{}, fmt.Errorf("Unable to Cast %#v to []bool", i)
+ }
+}
+
+
// ToStringSliceE casts an empty interface to a []string.
func ToStringSliceE(i interface{}) ([]string, error) {
jww.TRACE.Println("ToStringSliceE called on type:", reflect.TypeOf(i))
