Name
tuple_selecttuple_selectTupleSelecttuple_selectTupleSelectTupleSelect — Select single elements of a tuple.
tuple_selecttuple_selectTupleSelecttuple_selectTupleSelectTupleSelect selects one or more single elements of the tuple
TupleTupleTupleTupleTupletuple and returns them with SelectedSelectedSelectedSelectedSelectedselected. At this,
IndexIndexIndexIndexIndexindex determines the indices of the elements to select. Thus,
IndexIndexIndexIndexIndexindex may only contain integer values (any floating point
number within IndexIndexIndexIndexIndexindex must represent an integer value without
fraction). Indices of tuple elements start at 0, that means, the first
tuple element has got the index 0.
Exception: Empty input tuples
If TupleTupleTupleTupleTupletuple is empty, an exception is raised.
HDevelop In-line Operation
HDevelop provides an in-line operation for tuple_selecttuple_selectTupleSelecttuple_selectTupleSelectTupleSelect,
which can be used in an expression in the following syntax:
Selected := Tuple[Index]
Selected := subset(Tuple, Index)
- Multithreading type: independent (runs in parallel even with exclusive operators).
- Multithreading scope: global (may be called from any thread).
- Processed without parallelization.
TupleTupleTupleTupleTupletuple (input_control) number(-array) → HTupleHTupleHTupleVARIANTHtuple (integer / real / string) (int / long / double / string) (Hlong / double / HString) (Hlong / double / char*) (Hlong / double / BSTR) (Hlong / double / char*)
Input tuple.
Indices of the elements to select.
tuple_first_ntuple_first_nTupleFirstNtuple_first_nTupleFirstNTupleFirstN,
tuple_last_ntuple_last_nTupleLastNtuple_last_nTupleLastNTupleLastN,
tuple_str_bit_selecttuple_str_bit_selectTupleStrBitSelecttuple_str_bit_selectTupleStrBitSelectTupleStrBitSelect,
tuple_concattuple_concatTupleConcattuple_concatTupleConcatTupleConcat,
tuple_select_rangetuple_select_rangeTupleSelectRangetuple_select_rangeTupleSelectRangeTupleSelectRange,
tuple_select_ranktuple_select_rankTupleSelectRanktuple_select_rankTupleSelectRankTupleSelectRank
tuple_removetuple_removeTupleRemovetuple_removeTupleRemoveTupleRemove
Foundation