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tuple_is_string_elemtuple_is_string_elemTupleIsStringElemtuple_is_string_elemTupleIsStringElemTupleIsStringElem (Operator)

Name

tuple_is_string_elemtuple_is_string_elemTupleIsStringElemtuple_is_string_elemTupleIsStringElemTupleIsStringElem — Test whether the types of the elements of a tuple are of type string.

Signature

tuple_is_string_elem( : : T : IsString)

Herror tuple_is_string_elem(const char* T, Hlong* IsString)

Herror T_tuple_is_string_elem(const Htuple T, Htuple* IsString)

Herror tuple_is_string_elem(const HTuple& T, Hlong* IsString)

Herror tuple_is_string_elem(const HTuple& T, HTuple* IsString)

void TupleIsStringElem(const HTuple& T, HTuple* IsString)

HTuple HTuple::TupleIsStringElem() const

void HOperatorSetX.TupleIsStringElem(
[in] VARIANT T, [out] VARIANT* IsString)

VARIANT HTupleX.TupleIsStringElem([in] VARIANT T)

static void HOperatorSet.TupleIsStringElem(HTuple t, out HTuple isString)

HTuple HTuple.TupleIsStringElem()

Description

tuple_is_string_elemtuple_is_string_elemTupleIsStringElemtuple_is_string_elemTupleIsStringElemTupleIsStringElem tests the elements of the input tuple TTTTTt separately. For all elements of type string the value 1 (true) is returned in IsStringIsStringIsStringIsStringIsStringisString, else 0 (false) is returned.

Exception: Empty input tuple

If the input tuple is empty, the operator returns an empty tuple.

HDevelop In-line Operation

HDevelop provides an in-line operation for tuple_is_string_elemtuple_is_string_elemTupleIsStringElemtuple_is_string_elemTupleIsStringElemTupleIsStringElem, which can be used in an expression in the following syntax:

IsString := is_string_elem(T)

Parallelization

Parameters

TTTTTt (input_control)  number(-array) HTupleHTupleHTupleVARIANTHtuple (string / real / integer) (string / double / int / long) (HString / double / Hlong) (char* / double / Hlong) (BSTR / double / Hlong) (char* / double / Hlong)

Input tuple.

IsStringIsStringIsStringIsStringIsStringisString (output_control)  number(-array) HTupleHTupleHTupleVARIANTHtuple (integer) (int / long) (Hlong) (Hlong) (Hlong) (Hlong)

Are the elements of the input tuple of type string?

Example (HDevelop)

tuple_is_string_elem ([3.1416,'pi',3], IsString)
* IsString = [false, true, false]

Result

If the parameters are valid, the operator tuple_is_string_elemtuple_is_string_elemTupleIsStringElemtuple_is_string_elemTupleIsStringElemTupleIsStringElem returns the value 2 (H_MSG_TRUE).

Alternatives

tuple_typetuple_typeTupleTypetuple_typeTupleTypeTupleType, tuple_type_elemtuple_type_elemTupleTypeElemtuple_type_elemTupleTypeElemTupleTypeElem, tuple_is_stringtuple_is_stringTupleIsStringtuple_is_stringTupleIsStringTupleIsString

See also

tuple_is_mixedtuple_is_mixedTupleIsMixedtuple_is_mixedTupleIsMixedTupleIsMixed, tuple_is_inttuple_is_intTupleIsInttuple_is_intTupleIsIntTupleIsInt, tuple_is_realtuple_is_realTupleIsRealtuple_is_realTupleIsRealTupleIsReal, tuple_is_stringtuple_is_stringTupleIsStringtuple_is_stringTupleIsStringTupleIsString, tuple_is_mixedtuple_is_mixedTupleIsMixedtuple_is_mixedTupleIsMixedTupleIsMixed, tuple_is_int_elemtuple_is_int_elemTupleIsIntElemtuple_is_int_elemTupleIsIntElemTupleIsIntElem, tuple_is_real_elemtuple_is_real_elemTupleIsRealElemtuple_is_real_elemTupleIsRealElemTupleIsRealElem, tuple_is_numbertuple_is_numberTupleIsNumbertuple_is_numberTupleIsNumberTupleIsNumber

Module

Foundation


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