pub type IterateGCThingCallback = Option<unsafe extern "C" fn(*mut c_void, GCCellPtr, *const AutoRequireNoGC)>;Aliased Type§
pub enum IterateGCThingCallback {
None,
Some(unsafe extern "C" fn(*mut c_void, GCCellPtr, *const AutoRequireNoGC)),
}Variants§
None
No value.
Some(unsafe extern "C" fn(*mut c_void, GCCellPtr, *const AutoRequireNoGC))
Some value of type T.
Layout§
Note: Unable to compute type layout, possibly due to this type having generic parameters. Layout can only be computed for concrete, fully-instantiated types.