Type Alias GC_warn_proc 

pub type GC_warn_proc = Option<unsafe extern "C" fn(arg1: *mut c_char, arg2: GC_word)>;

Aliased Type

pub enum GC_warn_proc {
    None,
    Some(unsafe extern "C" fn(*mut i8, u64)),
}

Variants

None

No value.

Some(unsafe extern "C" fn(*mut i8, u64))

Some value of type T.