pub type IterateDirectModify_function = Option<unsafe extern "C" fn(node: *mut ForeignScanState) -> *mut TupleTableSlot>;
Aliased Type§
enum IterateDirectModify_function {
None,
Some(unsafe extern "C" fn(_: *mut ForeignScanState) -> *mut TupleTableSlot),
}
Variants§
None
No value.
Some(unsafe extern "C" fn(_: *mut ForeignScanState) -> *mut TupleTableSlot)
Some value of type T
.