Determines the key type of a dictionary entry type.
This function may only be used with a dictionary entry type. Other than the additional restriction, this call is equivalent to g_variant_type_first().
the key type of the dictionary entry
Since 2.24
See Implementation
Determines the key type of a dictionary entry type.
This function may only be used with a dictionary entry type. Other than the additional restriction, this call is equivalent to g_variant_type_first().