istuple

This function determines whether the value passed to this function is a tuple or not. At least nested arrays are of kind tuple.

This function does not generate an event.

Function

istuple(value)

Arguments

Return value

Returns true is the passed value is a tuple else it returns false.

Example

This code shows some return values for istuple():

[
    istuple( [] ),
    istuple( tmp = [['nested'], set()] ),
    istuple( tmp[0] ),
    istuple( tmp[1] ),
];

Return value in JSON format

[
    false,
    false,
    true,
    true
]