Enum Value 

pub enum Value {
    Void,
    Bool(ValueFormat<bool>),
    Octet(ValueFormat<u8>),
    UShort(ValueFormat<u16>),
    Short(ValueFormat<i16>),
    ULong(ValueFormat<u32>),
    Long(ValueFormat<i32>),
    ULong64(ValueFormat<u64>),
    Long64(ValueFormat<i64>),
    Float(ValueFormat<f32>),
    Double(ValueFormat<f64>),
    Enum(ValueFormat<DevEnum>),
    State(ValueFormat<DevState>),
    String(ValueFormat<str>),
    LongString(Spectrum<i32>, Spectrum<str>),
    DoubleString(Spectrum<f64>, Spectrum<str>),
    Encoded(DevEncoded),
}

Any value a Tango device exchanges, whatever its element type and dimensions: what a backend encodes and decodes, and what the arguments and results of handlers are converted from and into, with From and TryFrom.

Variants

Void

Bool(ValueFormat<bool>)

Octet(ValueFormat<u8>)

UShort(ValueFormat<u16>)

Short(ValueFormat<i16>)

ULong(ValueFormat<u32>)

Long(ValueFormat<i32>)

ULong64(ValueFormat<u64>)

Long64(ValueFormat<i64>)

Float(ValueFormat<f32>)

Double(ValueFormat<f64>)

Enum(ValueFormat<DevEnum>)

State(ValueFormat<DevState>)

String(ValueFormat<str>)

LongString(Spectrum<i32>, Spectrum<str>)

The DevVarLongStringArray a command may take or give.

DoubleString(Spectrum<f64>, Spectrum<str>)

The DevVarDoubleStringArray a command may take or give.

Encoded(DevEncoded)

A DevEncoded, which only exists as a scalar.

Trait Implementations

impl Clone for Value

fn clone(&self) -> Self

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for Value

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

Formats the value using the given formatter.

impl From<&[&str]> for Value

fn from(values: &[&str]) -> Self

Converts to this type from the input type.

impl<T: TangoElement + PackedElement> From<&[T]> for Value

fn from(values: &[T]) -> Self

Converts to this type from the input type.

impl From<&str> for Value

fn from(value: &str) -> Self

Converts to this type from the input type.

impl From<()> for Value

fn from((): ()) -> Self

Converts to this type from the input type.

impl From<(Buf<f64, 1>, Buf<str, 1>)> for Value

fn from((doubles, strings): (Buf<f64, 1>, Buf<str, 1>)) -> Self

Converts to this type from the input type.

impl From<(Buf<i32, 1>, Buf<str, 1>)> for Value

fn from((longs, strings): (Buf<i32, 1>, Buf<str, 1>)) -> Self

Converts to this type from the input type.

impl<T: TangoElement + PackedElement> From<Box<[T]>> for Value

fn from(values: Box<[T]>) -> Self

Converts to this type from the input type.

impl<T: TangoElement + ?Sized> From<Buf<T, 0>> for Value

fn from(data: Scalar<T>) -> Self

Converts to this type from the input type.

impl<T: TangoElement + ?Sized> From<Buf<T, 1>> for Value

fn from(data: Spectrum<T>) -> Self

Converts to this type from the input type.

impl<T: TangoElement + ?Sized> From<Buf<T, 2>> for Value

fn from(data: Image<T>) -> Self

Converts to this type from the input type.

impl From<DevEncoded> for Value

fn from(encoded: DevEncoded) -> Self

Converts to this type from the input type.

impl From<String> for Value

fn from(value: String) -> Self

Converts to this type from the input type.

impl<T: TangoElement + PackedElement> From<T> for Value

fn from(value: T) -> Self

Converts to this type from the input type.

impl From<Vec<String>> for Value

fn from(values: Vec<String>) -> Self

Converts to this type from the input type.

impl<T: TangoElement + PackedElement> From<Vec<T>> for Value

fn from(values: Vec<T>) -> Self

Converts to this type from the input type.

impl<const N: usize> From<[&str; N]> for Value

fn from(values: [&str; N]) -> Self

Converts to this type from the input type.

impl<T: TangoElement + PackedElement, const N: usize> From<[T; N]> for Value

fn from(values: [T; N]) -> Self

Converts to this type from the input type.

impl PartialEq for Value

fn eq(&self, other: &Self) -> bool

Equality operator ==.

fn ne(&self, other: &Rhs) -> bool

Inequality operator !=.

impl StructuralPartialEq for Value

impl<'a, T: TangoElement + ?Sized> TryFrom<&'a Value> for &'a Scalar<T>

type Error = Error

The type returned in the event of a conversion error.

fn try_from(data: &'a Value) -> Result<Self, Error>

Performs the conversion.

impl<'a, T: TangoElement + ?Sized> TryFrom<&'a Value> for &'a Spectrum<T>

type Error = Error

The type returned in the event of a conversion error.

fn try_from(data: &'a Value) -> Result<Self, Error>

Performs the conversion.

impl<'a, T: TangoElement + ?Sized> TryFrom<&'a Value> for &'a Image<T>

type Error = Error

The type returned in the event of a conversion error.

fn try_from(data: &'a Value) -> Result<Self, Error>

Performs the conversion.

impl<'a, T: TangoElement + PackedElement> TryFrom<&'a Value> for &'a [T]

type Error = Error

The type returned in the event of a conversion error.

fn try_from(data: &'a Value) -> Result<Self, Error>

Performs the conversion.

impl<'a> TryFrom<&'a Value> for &'a str

type Error = Error

The type returned in the event of a conversion error.

fn try_from(data: &'a Value) -> Result<Self, Error>

Performs the conversion.

impl<'a> TryFrom<&'a Value> for &'a DevEncoded

type Error = Error

The type returned in the event of a conversion error.

fn try_from(data: &'a Value) -> Result<Self, Error>

Performs the conversion.

impl TryFrom<&Value> for bool

type Error = Error

The type returned in the event of a conversion error.

fn try_from(data: &Value) -> Result<Self, Error>

Performs the conversion.

impl TryFrom<&Value> for u8

type Error = Error

The type returned in the event of a conversion error.

fn try_from(data: &Value) -> Result<Self, Error>

Performs the conversion.

impl TryFrom<&Value> for u16

type Error = Error

The type returned in the event of a conversion error.

fn try_from(data: &Value) -> Result<Self, Error>

Performs the conversion.

impl TryFrom<&Value> for i16

type Error = Error

The type returned in the event of a conversion error.

fn try_from(data: &Value) -> Result<Self, Error>

Performs the conversion.

impl TryFrom<&Value> for u32

type Error = Error

The type returned in the event of a conversion error.

fn try_from(data: &Value) -> Result<Self, Error>

Performs the conversion.

impl TryFrom<&Value> for i32

type Error = Error

The type returned in the event of a conversion error.

fn try_from(data: &Value) -> Result<Self, Error>

Performs the conversion.

impl TryFrom<&Value> for u64

type Error = Error

The type returned in the event of a conversion error.

fn try_from(data: &Value) -> Result<Self, Error>

Performs the conversion.

impl TryFrom<&Value> for i64

type Error = Error

The type returned in the event of a conversion error.

fn try_from(data: &Value) -> Result<Self, Error>

Performs the conversion.

impl TryFrom<&Value> for f32

type Error = Error

The type returned in the event of a conversion error.

fn try_from(data: &Value) -> Result<Self, Error>

Performs the conversion.

impl TryFrom<&Value> for f64

type Error = Error

The type returned in the event of a conversion error.

fn try_from(data: &Value) -> Result<Self, Error>

Performs the conversion.

impl TryFrom<&Value> for DevEnum

type Error = Error

The type returned in the event of a conversion error.

fn try_from(data: &Value) -> Result<Self, Error>

Performs the conversion.

impl TryFrom<&Value> for DevState

type Error = Error

The type returned in the event of a conversion error.

fn try_from(data: &Value) -> Result<Self, Error>

Performs the conversion.

impl<T: TangoElement + ?Sized> TryFrom<Value> for Scalar<T>

type Error = Error

The type returned in the event of a conversion error.

fn try_from(data: Value) -> Result<Self, Error>

Performs the conversion.

impl<T: TangoElement + ?Sized> TryFrom<Value> for Spectrum<T>

type Error = Error

The type returned in the event of a conversion error.

fn try_from(data: Value) -> Result<Self, Error>

Performs the conversion.

impl<T: TangoElement + ?Sized> TryFrom<Value> for Image<T>

type Error = Error

The type returned in the event of a conversion error.

fn try_from(data: Value) -> Result<Self, Error>

Performs the conversion.

impl TryFrom<Value> for bool

type Error = Error

The type returned in the event of a conversion error.

fn try_from(data: Value) -> Result<Self, Error>

Performs the conversion.

impl TryFrom<Value> for u8

type Error = Error

The type returned in the event of a conversion error.

fn try_from(data: Value) -> Result<Self, Error>

Performs the conversion.

impl TryFrom<Value> for u16

type Error = Error

The type returned in the event of a conversion error.

fn try_from(data: Value) -> Result<Self, Error>

Performs the conversion.

impl TryFrom<Value> for i16

type Error = Error

The type returned in the event of a conversion error.

fn try_from(data: Value) -> Result<Self, Error>

Performs the conversion.

impl TryFrom<Value> for u32

type Error = Error

The type returned in the event of a conversion error.

fn try_from(data: Value) -> Result<Self, Error>

Performs the conversion.

impl TryFrom<Value> for i32

type Error = Error

The type returned in the event of a conversion error.

fn try_from(data: Value) -> Result<Self, Error>

Performs the conversion.

impl TryFrom<Value> for u64

type Error = Error

The type returned in the event of a conversion error.

fn try_from(data: Value) -> Result<Self, Error>

Performs the conversion.

impl TryFrom<Value> for i64

type Error = Error

The type returned in the event of a conversion error.

fn try_from(data: Value) -> Result<Self, Error>

Performs the conversion.

impl TryFrom<Value> for f32

type Error = Error

The type returned in the event of a conversion error.

fn try_from(data: Value) -> Result<Self, Error>

Performs the conversion.

impl TryFrom<Value> for f64

type Error = Error

The type returned in the event of a conversion error.

fn try_from(data: Value) -> Result<Self, Error>

Performs the conversion.

impl TryFrom<Value> for DevEnum

type Error = Error

The type returned in the event of a conversion error.

fn try_from(data: Value) -> Result<Self, Error>

Performs the conversion.

impl TryFrom<Value> for DevState

type Error = Error

The type returned in the event of a conversion error.

fn try_from(data: Value) -> Result<Self, Error>

Performs the conversion.

impl<T: TangoElement + PackedElement> TryFrom<Value> for Vec<T>

type Error = Error

The type returned in the event of a conversion error.

fn try_from(data: Value) -> Result<Self, Error>

Performs the conversion.

impl<T: TangoElement + PackedElement> TryFrom<Value> for Box<[T]>

type Error = Error

The type returned in the event of a conversion error.

fn try_from(data: Value) -> Result<Self, Error>

Performs the conversion.

impl<T: TangoElement + PackedElement, const N: usize> TryFrom<Value> for [T; N]

type Error = Error

The type returned in the event of a conversion error.

fn try_from(data: Value) -> Result<Self, Error>

Performs the conversion.

impl TryFrom<Value> for String

type Error = Error

The type returned in the event of a conversion error.

fn try_from(data: Value) -> Result<Self, Error>

Performs the conversion.

impl TryFrom<Value> for Vec<String>

type Error = Error

The type returned in the event of a conversion error.

fn try_from(data: Value) -> Result<Self, Error>

Performs the conversion.

impl TryFrom<Value> for ()

type Error = Error

The type returned in the event of a conversion error.

fn try_from(data: Value) -> Result<Self, Error>

Performs the conversion.

impl TryFrom<Value> for (Buf<i32, 1>, Buf<str, 1>)

type Error = Error

The type returned in the event of a conversion error.

fn try_from(data: Value) -> Result<Self, Error>

Performs the conversion.

impl TryFrom<Value> for (Buf<f64, 1>, Buf<str, 1>)

type Error = Error

The type returned in the event of a conversion error.

fn try_from(data: Value) -> Result<Self, Error>

Performs the conversion.

impl TryFrom<Value> for DevEncoded

type Error = Error

The type returned in the event of a conversion error.

fn try_from(data: Value) -> Result<Self, Error>

Performs the conversion.