func DumpArgInfo(info *C.GIArgInfo) {
dataIndex := C.g_arg_info_get_closure(info)
p("data index %d\n", dataIndex)
destroyNotifyIndex := C.g_arg_info_get_destroy(info)
p("destroy notify index %d\n", destroyNotifyIndex)
direction := C.g_arg_info_get_direction(info)
switch direction {
case C.GI_DIRECTION_IN:
p("in arg\n")
case C.GI_DIRECTION_OUT:
p("out arg\n")
case C.GI_DIRECTION_INOUT:
p("in out arg\n")
}
transfer := C.g_arg_info_get_ownership_transfer(info)
p("transfer %s\n", TransferGetName(transfer))
scope := C.g_arg_info_get_scope(info)
p("scope %v\n", scope)
t := C.g_arg_info_get_type(info)
DumpTypeInfo(t)
mayBeNull := C.g_arg_info_may_be_null(info)
p("may be null %v\n", mayBeNull)
caller_allocates := C.g_arg_info_is_caller_allocates(info)
p("caller allocates %v\n", caller_allocates)
optional := C.g_arg_info_is_optional(info)
p("optional %v\n", optional)
isReturnValue := C.g_arg_info_is_return_value(info)
p("is return value %v\n", isReturnValue)
onlyUsefulInC := C.g_arg_info_is_skip(info)
p("is only useful in C %v\n", onlyUsefulInC)
}
// g_arg_info_is_optional
func (ai *ArgInfo) IsOptional() bool {
return C.g_arg_info_is_optional((*C.GIArgInfo)(ai.c)) != 0
}
func (info *GiInfo) IsOptional() bool {
return GoBool(C.g_arg_info_is_optional((*C.GIArgInfo)(info.ptr)))
}