Type Alias objc_sys::IMP

pub type IMP = Option<unsafe extern "C" fn()>;

A nullable pointer to the start of a method implementation.

Not all APIs are guaranteed to take NULL values; read the docs!

Aliased Type

enum IMP {
    None,
    Some(unsafe extern "C" fn()),
}

Variants

None

No value.

Some(unsafe extern "C" fn())

Some value of type T.