pub type ambeginscan_function = Option<unsafe extern "C-unwind" fn(indexRelation: Relation, nkeys: c_int, norderbys: c_int) -> IndexScanDesc>;Aliased Type§
pub enum ambeginscan_function {
None,
Some(unsafe extern "C-unwind" fn(*mut RelationData, i32, i32) -> *mut IndexScanDescData),
}Variants§
None
No value.
Some(unsafe extern "C-unwind" fn(*mut RelationData, i32, i32) -> *mut IndexScanDescData)
Some value of type T.