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