pub type amendscan_function = Option<unsafe extern "C" fn(scan: IndexScanDesc)>;
Aliased Type§
enum amendscan_function {
None,
Some(unsafe extern "C" fn(_: *mut IndexScanDescData)),
}
Variants§
None
No value.
Some(unsafe extern "C" fn(_: *mut IndexScanDescData))
Some value of type T
.