Type Alias LPALSPEEDOFSOUND 

pub type LPALSPEEDOFSOUND = Option<unsafe extern "C" fn(value: ALfloat)>;

Aliased Type

pub enum LPALSPEEDOFSOUND {
    None,
    Some(unsafe extern "C" fn(f32)),
}

Variants

None

No value.

Some(unsafe extern "C" fn(f32))

Some value of type T.