Struct oaidl::VtNull

pub struct VtNull {}

Helper type for VT_NULL variants

Trait Implementations

impl Clone for VtNull

fn clone(&self) -> VtNull

Returns a copy of the value.

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

Performs copy-assignment from source.

impl Copy for VtNull

impl Debug for VtNull

fn fmt(&self, f: &mut Formatter) -> Result

Formats the value using the given formatter.

impl VariantExt for VtNull

const VARTYPE: u32

VARTYPE: u32 = VT_NULL

VARTYPE constant value for the type

fn into_variant(&mut self) -> Result<Ptr<VARIANT>, IntoVariantError>

Convert a value of type T into a Ptr

fn from_variant(var: Ptr<VARIANT>) -> Result<Self, FromVariantError>

Call this associated function on a Ptr to obtain a value T