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Add ScanSlice.
This commit is contained in:
committed by
Vladimir Mihailenco
parent
6b8c6b3fe9
commit
681a1fe646
@ -1,5 +1,7 @@
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package internal
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import "reflect"
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func ToLower(s string) string {
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if isLower(s) {
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return s
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@ -25,3 +27,21 @@ func isLower(s string) bool {
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}
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return true
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}
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func SliceNextElem(v reflect.Value) reflect.Value {
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if v.Len() < v.Cap() {
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v.Set(v.Slice(0, v.Len()+1))
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return v.Index(v.Len() - 1)
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}
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elemType := v.Type().Elem()
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if elemType.Kind() == reflect.Ptr {
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elem := reflect.New(elemType.Elem())
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v.Set(reflect.Append(v, elem))
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return elem.Elem()
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}
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v.Set(reflect.Append(v, reflect.Zero(elemType)))
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return v.Index(v.Len() - 1)
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}
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