Type Alias ambeginscan_function 

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.