Type Alias GC_fn_type 

pub type GC_fn_type = Option<unsafe extern "C" fn(arg1: *mut c_void) -> *mut c_void>;

Aliased Type

pub enum GC_fn_type {
    None,
    Some(unsafe extern "C" fn(*mut c_void) -> *mut c_void),
}

Variants

None

No value.

Some(unsafe extern "C" fn(*mut c_void) -> *mut c_void)

Some value of type T.