Enum dmntk_feel::values::Value

pub enum Value {
    Boolean(bool),
    BuiltInFunction(Bif),
    ExpressionList(Values),
    Context(FeelContext),
    ContextEntry(Name, Box<Value>),
    ContextEntryKey(Name),
    ContextType(FeelType),
    ContextTypeEntry(Name, FeelType),
    ContextTypeEntryKey(Name),
    Date(FeelDate),
    DateTime(FeelDateTime),
    DaysAndTimeDuration(FeelDaysAndTimeDuration),
    FeelType(FeelType),
    FormalParameter(Name, FeelType),
    FormalParameters(Vec<(Name, FeelType)>),
    FunctionBody(FunctionBody),
    FunctionDefinition(Vec<(Name, FeelType)>, FunctionBody, FeelType),
    IntervalEnd(Box<Value>, bool),
    IntervalStart(Box<Value>, bool),
    Irrelevant,
    List(Values),
    NamedParameter(Box<Value>, Box<Value>),
    NamedParameters(BTreeMap<Name, (Value, usize)>),
    NegatedCommaList(Values),
    Null(Option<String>),
    Number(FeelNumber),
    ParameterName(Name),
    ParameterTypes(Vec<Value>),
    PositionalParameters(Values),
    QualifiedNameSegment(Name),
    Range(Box<Value>, bool, Box<Value>, bool),
    String(String),
    Time(FeelTime),
    UnaryGreater(Box<Value>),
    UnaryGreaterOrEqual(Box<Value>),
    UnaryLess(Box<Value>),
    UnaryLessOrEqual(Box<Value>),
    YearsAndMonthsDuration(FeelYearsAndMonthsDuration),
}

FEEL value.

Variants

Boolean(bool)

Tuple Fields

0: bool

Value representing FEEL boolean type.

BuiltInFunction(Bif)

Tuple Fields

0: Bif

Value for storing built-in function definition.

ExpressionList(Values)

Tuple Fields

0: Values

Value representing a collection of comma-separated list of expressions.

Context(FeelContext)

Tuple Fields

0: FeelContext

Value representing a context.

ContextEntry(Name, Box<Value>)

Tuple Fields

0: Name

1: Box<Value>

Value representing a context entry.

ContextEntryKey(Name)

Tuple Fields

0: Name

Value representing a key of the context entry.

ContextType(FeelType)

Tuple Fields

0: FeelType

Value representing the context type.

ContextTypeEntry(Name, FeelType)

Tuple Fields

0: Name

1: FeelType

Value representing a context entry in context type definition.

ContextTypeEntryKey(Name)

Tuple Fields

0: Name

Value representing a key of the context entry in context type definition.

Date(FeelDate)

Tuple Fields

0: FeelDate

Value for storing dates as FeelDate.

DateTime(FeelDateTime)

Tuple Fields

0: FeelDateTime

Value for storing date and time as FeelDateTime.

DaysAndTimeDuration(FeelDaysAndTimeDuration)

Tuple Fields

0: FeelDaysAndTimeDuration

Value for days and time durations.

FeelType(FeelType)

Tuple Fields

0: FeelType

Value representing the FEEL type of a value.

FormalParameter(Name, FeelType)

Tuple Fields

0: Name

1: FeelType

Value representing function’s formal parameter with name and type.

FormalParameters(Vec<(Name, FeelType)>)

Tuple Fields

0: Vec<(Name, FeelType)>

List of formal parameters.

FunctionBody(FunctionBody)

Tuple Fields

0: FunctionBody

Definition of the function body.

FunctionDefinition(Vec<(Name, FeelType)>, FunctionBody, FeelType)

Tuple Fields

0: Vec<(Name, FeelType)>

1: FunctionBody

2: FeelType

Value representing the function definition. This value holds the list of function’s formal parameters, the function’s body and expected result type.

IntervalEnd(Box<Value>, bool)

Tuple Fields

0: Box<Value>

1: bool

Value representing interval end.

IntervalStart(Box<Value>, bool)

Tuple Fields

0: Box<Value>

1: bool

Value representing interval start.

Irrelevant

Value representing FEEL irrelevant value.

List(Values)

Tuple Fields

0: Values

Value representing a list of values.

NamedParameter(Box<Value>, Box<Value>)

Tuple Fields

0: Box<Value>

1: Box<Value>

Named parameter.

NamedParameters(BTreeMap<Name, (Value, usize)>)

Tuple Fields

0: BTreeMap<Name, (Value, usize)>

Value representing a collection of named parameters.

NegatedCommaList(Values)

Tuple Fields

0: Values

Value representing a collection of values representing a negated comma-separated list of expressions.

Null(Option<String>)

Tuple Fields

0: Option<String>

Null value with optional tracing message.

Number(FeelNumber)

Tuple Fields

0: FeelNumber

Value representing FEEL number type.

ParameterName(Name)

Tuple Fields

0: Name

Name of the parameter.

ParameterTypes(Vec<Value>)

Tuple Fields

0: Vec<Value>

Value representing a list of function’s parameter types.

PositionalParameters(Values)

Tuple Fields

0: Values

List of positional parameters.

QualifiedNameSegment(Name)

Tuple Fields

0: Name

Value representing a segment of a qualified name.

Range(Box<Value>, bool, Box<Value>, bool)

Tuple Fields

0: Box<Value>

1: bool

2: Box<Value>

3: bool

Value representing a range.

String(String)

Tuple Fields

0: String

String value…

Time(FeelTime)

Tuple Fields

0: FeelTime

Value for storing time as FeelTime.

UnaryGreater(Box<Value>)

Tuple Fields

0: Box<Value>

UnaryGreater value…

UnaryGreaterOrEqual(Box<Value>)

Tuple Fields

0: Box<Value>

UnaryGreaterOrEqual value…

UnaryLess(Box<Value>)

Tuple Fields

0: Box<Value>

UnaryLess value…

UnaryLessOrEqual(Box<Value>)

Tuple Fields

0: Box<Value>

UnaryLessOrEqual value…

YearsAndMonthsDuration(FeelYearsAndMonthsDuration)

Tuple Fields

0: FeelYearsAndMonthsDuration

Value for storing years and months duration.

Implementations

impl Value

pub fn is_null(&self) -> bool

Returns true when the value is of type Value::Null.

pub fn is_true(&self) -> bool

Returns true when the value is of type Value::Boolean and is equal to true.

pub fn is_number(&self) -> bool

Returns true when the value is of type Value::Number.

pub fn type_of(&self) -> FeelType

Returns the type of this Value.

pub fn try_from_xsd_integer(text: &str) -> Result<Self>

Tries to convert xsd:integer string into valid Value representing a number.

pub fn try_from_xsd_decimal(text: &str) -> Result<Self>

Tries to convert xsd:decimal string into valid Value representing a number.

pub fn try_from_xsd_double(text: &str) -> Result<Self>

Tries to convert xsd:double string into valid Value representing a number.

pub fn try_from_xsd_boolean(text: &str) -> Result<Self>

Tries to convert xsd:boolean string into valid Value representing a boolean.

pub fn try_from_xsd_date(text: &str) -> Result<Self>

Tries to convert xsd:date string into valid Value representing a date. FEEL date format is fully conformant with xsd:date.

pub fn try_from_xsd_time(text: &str) -> Result<Self>

Tries to convert xsd:time string into valid Value representing a time. FEEL time format is fully conformant with xsd:time.

pub fn try_from_xsd_date_time(text: &str) -> Result<Self>

Tries to convert xsd:dateTime string into valid Value representing a date and time. FEEL date and time format is fully conformant with xsd:dateTime.

pub fn try_from_xsd_duration(text: &str) -> Result<Self>

Tries to convert xsd:duration string into valid Value representing a date and time. FEEL durations are conformant with xsd:duration but spit into two ranges.

Trait Implementations

impl Clone for Value

fn clone(&self) -> Value

Returns a copy 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 Display for Value

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

Formats the value using the given formatter.

impl From<FeelContext> for Value

fn from(ctx: FeelContext) -> Self

Converts this FeelContext to its Value representation.

impl Jsonify for Value

fn jsonify(&self) -> String

Converts a Value to its JSON representation.

impl PartialEq<Value> for Value

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

This method tests for self and other values to be equal, and is used by ==.

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

This method tests for !=.

impl ToFeelString for Value

fn to_feel_string(&self) -> String

Converts Value into FEEL string.

impl TryFrom<Value> for FeelContext

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

Tries to convert a Value to its FeelContext representation.

type Error = DmntkError

The type returned in the event of a conversion error.

impl StructuralPartialEq for Value