Struct Null

pub struct Null;

Trait Implementations

impl<J: JavaObject> AsJRef<J> for Null

fn as_jref(&self) -> Nullable<&J>

impl Clone for Null

fn clone(&self) -> Null

Returns a copy of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl JvmOp for Null

type Output<'jvm> = Null

fn do_jni<'jvm>( self, _jvm: &mut Jvm<'jvm>, ) -> LocalResult<'jvm, Self::Output<'jvm>>

Internal method

fn assert_not_null<T>(self) -> NotNull<Self>

where T: JavaObject, for<'jvm> Self: JvmOp<Output<'jvm> = Option<Local<'jvm, T>>>,

fn upcast<To>(self) -> AsUpcast<Self, To>

where for<'jvm> Self::Output<'jvm>: AsJRef<To>, To: JavaObject,

Most duchess-wrapped Java objects will automatically be able to call all methods defined on any of its super classes or interfaces it implements, but this can be used to “force” the output of the operation to be typed as an explicit super type To.

fn catch<J>(self) -> TryCatch<Self, J>

where J: Upcast<Throwable>,

fn execute<R>(self) -> Result<R>

where for<'jvm> Self::Output<'jvm>: IntoRust<R>,

Execute on the JVM, starting a JVM instance if necessary.

fn execute_with<'jvm, R>(self, jvm: &mut Jvm<'jvm>) -> LocalResult<'jvm, R>

where for<'j> Self::Output<'j>: IntoRust<R>,

Internal method

impl Copy for Null