Checks if type_string is a valid GVariant type string. This call is equivalent to calling glib.variant_type.VariantType.stringScan and confirming that the following character is a nul terminator.
a pointer to any string
true if type_string is exactly one valid type string
Since 2.24
Checks if type_string is a valid GVariant type string. This call is equivalent to calling glib.variant_type.VariantType.stringScan and confirming that the following character is a nul terminator.