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.
Since 2.24
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. Since 2.24