Struct WireOptionalString

pub struct WireOptionalString<'de> { /* private fields */ }

An optional FIDL string

Implementations

impl WireOptionalString<'_>

pub fn encode_present(out: &mut MaybeUninit<WireOptionalString<'_>>, len: u64)

Encodes that a string is present in a slot.

pub fn encode_absent(out: &mut MaybeUninit<WireOptionalString<'_>>)

Encodes that a string is absent in a slot.

pub fn is_some(&self) -> bool

Returns whether the optional string is present.

pub fn is_none(&self) -> bool

Returns whether the optional string is absent.

pub fn as_ref(&self) -> Option<&WireString<'_>>

Returns a reference to the underlying string, if any.

Trait Implementations

impl Debug for WireOptionalString<'_>

fn fmt(&self, f: &mut Formatter<'_>) -> Result<(), Error>

Formats the value using the given formatter.

impl<D> Decode<D> for WireOptionalString<'static>

where D: Decoder + ?Sized,

fn decode( slot: Slot<'_, WireOptionalString<'static>>, decoder: &mut D, ) -> Result<(), DecodeError>

Decodes a value into a slot using a decoder.

impl FromWireOption<WireOptionalString<'_>> for String

fn from_wire_option(wire: WireOptionalString<'_>) -> Option<String>

Converts the given wire to an option of this type.

impl FromWireOptionRef<WireOptionalString<'_>> for String

fn from_wire_option_ref(wire: &WireOptionalString<'_>) -> Option<String>

Converts the given wire reference to an option of this type.

impl Wire for WireOptionalString<'static>

type Decoded<'de> = WireOptionalString<'de>

The decoded wire type, restricted to the 'de lifetime.

fn zero_padding(out: &mut MaybeUninit<WireOptionalString<'static>>)

Writes zeroes to the padding for this type, if any.