n_items

Determines the number of items contained in a tuple or dictionary entry type.

This function may only be used with tuple or dictionary entry types, but must not be used with the generic tuple type `G_VARIANT_TYPE_TUPLE`.

In the case of a dictionary entry type, this function will always return `2`.

Parameters:

this	a tuple or dictionary entry type

Returns:

the number of items in this Since 2.24