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feat(StringSlice): support cast string to string slice by comma #60

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feat(StringSlice): support cast string to string slice by comma #60

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4 changes: 4 additions & 0 deletions cast_test.go
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Original file line number Diff line number Diff line change
Expand Up @@ -974,6 +974,10 @@ func TestToStringSliceE(t *testing.T) {
{[]string{"a", "b"}, []string{"a", "b"}, false},
{[]interface{}{1, 3}, []string{"1", "3"}, false},
{interface{}(1), []string{"1"}, false},
{"a", []string{"a"}, false},
{"a b", []string{"a", "b"}, false},
{"a,b", []string{"a", "b"}, false},
{"a b,c", []string{"a", "b,c"}, false},
// errors
{nil, nil, true},
{testing.T{}, nil, true},
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9 changes: 8 additions & 1 deletion caste.go
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Original file line number Diff line number Diff line change
Expand Up @@ -1049,7 +1049,14 @@ func ToStringSliceE(i interface{}) ([]string, error) {
case []string:
return v, nil
case string:
return strings.Fields(v), nil
slice := strings.Fields(v)
// if the string can be splited by white space
// return slice immediately
if len(slice) > 1 {
return slice, nil
}
// otherwise, try to split string by comma
return strings.Split(v, ","), nil
case interface{}:
str, err := ToStringE(v)
if err != nil {
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