Type Alias pgrx_pg_sys::MemoryContextCallbackFunction

pub type MemoryContextCallbackFunction = Option<unsafe extern "C" fn(arg: *mut c_void)>;

Aliased Type

enum MemoryContextCallbackFunction {
    None,
    Some(unsafe extern "C" fn(_: *mut c_void)),
}

Variants

None

No value.

Some(unsafe extern "C" fn(_: *mut c_void))

Some value of type T.