pub type PASYNC_READ_COMPLETION_CALLBACK = Option<unsafe extern "system" fn(context: *const c_void) -> BOOLEAN>;

Aliased Type§

enum PASYNC_READ_COMPLETION_CALLBACK {
    None,
    Some(unsafe extern "system" fn(_: *const c_void) -> BOOLEAN),
}

Variants§

§1.0.0

None

No value.

§1.0.0

Some(unsafe extern "system" fn(_: *const c_void) -> BOOLEAN)

Some value of type T.