Type Alias CBoundaryCb 

pub type CBoundaryCb = Option<extern "C" fn(*const c_char, f32, f32, *mut c_void)>;

Aliased Type

pub enum CBoundaryCb {
    None,
    Some(extern "C" fn(*const i8, f32, f32, *mut c_void)),
}

Variants

None

No value.

Some(extern "C" fn(*const i8, f32, f32, *mut c_void))

Some value of type T.