Type Alias Dart_IsNull_Type 

pub type Dart_IsNull_Type = Option<unsafe extern "C" fn(arg1: Dart_Handle) -> bool>;

Aliased Type

pub enum Dart_IsNull_Type {
    None,
    Some(unsafe extern "C" fn(*mut _Dart_Handle) -> bool),
}

Variants

None

No value.

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

Some value of type T.