Class Absent

Hierarchy

Value
- Absent

Index

Accessors

Methods

Accessors

key

get key(): Value

- Defined in swim-system-js/swim-core-js/@swim/structure/lib/main/Value.d.ts:16
Returns Value

length

get length(): number

- Defined in swim-system-js/swim-core-js/@swim/structure/lib/main/Value.d.ts:27
Returns number

precedence

get precedence(): number

- Defined in swim-system-js/swim-core-js/@swim/structure/lib/main/Item.d.ts:95
Returns number

tag

get tag(): undefined | string

- Defined in swim-system-js/swim-core-js/@swim/structure/lib/main/Value.d.ts:18
Returns undefined | string

target

get target(): Value

- Defined in swim-system-js/swim-core-js/@swim/structure/lib/main/Value.d.ts:19
Returns Value

typeOrder

get typeOrder(): number

- Defined in swim-system-js/swim-core-js/@swim/structure/main/Absent.ts:152
Returns number

Methods

alias

alias(): void

Inherited from Value.alias
- Defined in swim-system-js/swim-core-js/@swim/structure/lib/main/Value.d.ts:84
Returns void

and

and(that: AnyValue): Value
and(that: AnyItem): Item

Overrides Value.and
- Defined in swim-system-js/swim-core-js/@swim/structure/main/Absent.ts:107
Parameters
- that: AnyValue
Returns Value
Overrides Value.and
- Defined in swim-system-js/swim-core-js/@swim/structure/main/Absent.ts:108
Parameters
- that: AnyItem
Returns Item

appended

appended(...items: AnyItem[]): Record

Overrides Value.appended
- Defined in swim-system-js/swim-core-js/@swim/structure/main/Absent.ts:77
Parameters
- Rest ...items: AnyItem[]
Returns Record

bitwiseAnd

bitwiseAnd(that: AnyValue): Value
bitwiseAnd(that: AnyItem): Item

Inherited from Value.bitwiseAnd
- Defined in swim-system-js/swim-core-js/@swim/structure/lib/main/Value.d.ts:45
Parameters
- that: AnyValue
Returns Value
Inherited from Value.bitwiseAnd
- Defined in swim-system-js/swim-core-js/@swim/structure/lib/main/Value.d.ts:46
Parameters
- that: AnyItem
Returns Item

bitwiseNot

bitwiseNot(): Value

Inherited from Value.bitwiseNot
- Defined in swim-system-js/swim-core-js/@swim/structure/lib/main/Value.d.ts:70
Returns Value

bitwiseOr

bitwiseOr(that: AnyValue): Value
bitwiseOr(that: AnyItem): Item

Inherited from Value.bitwiseOr
- Defined in swim-system-js/swim-core-js/@swim/structure/lib/main/Value.d.ts:41
Parameters
- that: AnyValue
Returns Value
Inherited from Value.bitwiseOr
- Defined in swim-system-js/swim-core-js/@swim/structure/lib/main/Value.d.ts:42
Parameters
- that: AnyItem
Returns Item

bitwiseXor

bitwiseXor(that: AnyValue): Value
bitwiseXor(that: AnyItem): Item

Inherited from Value.bitwiseXor
- Defined in swim-system-js/swim-core-js/@swim/structure/lib/main/Value.d.ts:43
Parameters
- that: AnyValue
Returns Value
Inherited from Value.bitwiseXor
- Defined in swim-system-js/swim-core-js/@swim/structure/lib/main/Value.d.ts:44
Parameters
- that: AnyItem
Returns Item

body

body(): Value

Inherited from Value.body
- Defined in swim-system-js/swim-core-js/@swim/structure/lib/main/Value.d.ts:26
Returns Value

booleanValue

booleanValue(): boolean
booleanValue<T>(orElse: T): boolean

Overrides Value.booleanValue
- Defined in swim-system-js/swim-core-js/@swim/structure/main/Absent.ts:120
Always returns false because Absent behaves like a falsey value.

Returns boolean
Overrides Value.booleanValue
- Defined in swim-system-js/swim-core-js/@swim/structure/main/Absent.ts:124
Always returns false because Absent behaves like a falsey value.

Type parameters
- T
Parameters
- orElse: T
Returns boolean

branch

branch(): Value

Inherited from Value.branch
- Defined in swim-system-js/swim-core-js/@swim/structure/lib/main/Value.d.ts:85
Returns Value

cast

cast<T>(form: Form<T, unknown>): undefined | T
cast<T, E>(form: Form<T, unknown>, orElse: E): T | E

Inherited from Value.cast
- Defined in swim-system-js/swim-core-js/@swim/structure/lib/main/Item.d.ts:84
Type parameters
- T
Parameters
- form: Form<T, unknown>
Returns undefined | T
Inherited from Value.cast
- Defined in swim-system-js/swim-core-js/@swim/structure/lib/main/Item.d.ts:85
Type parameters
- T
- E = T
Parameters
- form: Form<T, unknown>
- orElse: E
Returns T | E

clone

clone(): Value

Inherited from Value.clone
- Defined in swim-system-js/swim-core-js/@swim/structure/lib/main/Value.d.ts:86
Returns Value

coerce

coerce<T>(form: Form<T, unknown>): T
coerce<T, E>(form: Form<T, unknown>, orElse: E): T | E

Inherited from Value.coerce
- Defined in swim-system-js/swim-core-js/@swim/structure/lib/main/Item.d.ts:86
Type parameters
- T
Parameters
- form: Form<T, unknown>
Returns T
Inherited from Value.coerce
- Defined in swim-system-js/swim-core-js/@swim/structure/lib/main/Item.d.ts:87
Type parameters
- T
- E = T
Parameters
- form: Form<T, unknown>
- orElse: E
Returns T | E

commit

commit(): Absent

Inherited from Value.commit
- Defined in swim-system-js/swim-core-js/@swim/structure/lib/main/Value.d.ts:87
Returns Absent

compareTo

compareTo(that: unknown): number

Overrides Value.compareTo
- Defined in swim-system-js/swim-core-js/@swim/structure/main/Absent.ts:156
Parameters
- that: unknown
Returns number

concat

concat(...items: AnyItem[]): Record

Overrides Value.concat
- Defined in swim-system-js/swim-core-js/@swim/structure/main/Absent.ts:85
Parameters
- Rest ...items: AnyItem[]
Returns Record

conditional

conditional(thenTerm: AnyValue, elseTerm: AnyValue): Value
conditional(thenTerm: AnyItem, elseTerm: AnyItem): Item

Overrides Value.conditional
- Defined in swim-system-js/swim-core-js/@swim/structure/main/Absent.ts:95
Parameters
- thenTerm: AnyValue
- elseTerm: AnyValue
Returns Value
Overrides Value.conditional
- Defined in swim-system-js/swim-core-js/@swim/structure/main/Absent.ts:96
Parameters
- thenTerm: AnyItem
- elseTerm: AnyItem
Returns Item

debug

debug(output: Output<unknown>): void

Overrides Value.debug
- Defined in swim-system-js/swim-core-js/@swim/structure/main/Absent.ts:175
Parameters
- output: Output<unknown>
Returns void

deleted

deleted(key: AnyValue): Value

Inherited from Value.deleted
- Defined in swim-system-js/swim-core-js/@swim/structure/lib/main/Value.d.ts:34
Parameters
- key: AnyValue
Returns Value

display

display(output: Output<unknown>): void

Overrides Value.display
- Defined in swim-system-js/swim-core-js/@swim/structure/main/Absent.ts:179
Parameters
- output: Output<unknown>
Returns void

divide

divide(that: AnyValue): Value
divide(that: AnyItem): Item

Inherited from Value.divide
- Defined in swim-system-js/swim-core-js/@swim/structure/lib/main/Value.d.ts:65
Parameters
- that: AnyValue
Returns Value
Inherited from Value.divide
- Defined in swim-system-js/swim-core-js/@swim/structure/lib/main/Value.d.ts:66
Parameters
- that: AnyItem
Returns Item

eq

eq(that: AnyValue): Value
eq(that: AnyItem): Item

Inherited from Value.eq
- Defined in swim-system-js/swim-core-js/@swim/structure/lib/main/Value.d.ts:51
Parameters
- that: AnyValue
Returns Value
Inherited from Value.eq
- Defined in swim-system-js/swim-core-js/@swim/structure/lib/main/Value.d.ts:52
Parameters
- that: AnyItem
Returns Item

equals

equals(that: unknown): boolean

Overrides Value.equals
- Defined in swim-system-js/swim-core-js/@swim/structure/main/Absent.ts:167
Parameters
- that: unknown
Returns boolean

equivalentTo

equivalentTo(that: unknown): boolean

Overrides Value.equivalentTo
- Defined in swim-system-js/swim-core-js/@swim/structure/main/Absent.ts:163
Parameters
- that: unknown
Returns boolean

evaluate

evaluate(interpreter: AnyInterpreter): Item

Inherited from Value.evaluate
- Defined in swim-system-js/swim-core-js/@swim/structure/lib/main/Item.d.ts:76
Parameters
- interpreter: AnyInterpreter
Returns Item

filter

filter(predicate?: AnyItem): Selector

Inherited from Value.filter
- Defined in swim-system-js/swim-core-js/@swim/structure/lib/main/Item.d.ts:73
Parameters
- Optional predicate: AnyItem
Returns Selector

flattened

flattened(): Value

Inherited from Value.flattened
- Defined in swim-system-js/swim-core-js/@swim/structure/lib/main/Value.d.ts:20
Returns Value

forEach

forEach<T>(callback: (item: Item, index: number) => void | T): undefined | T
forEach<T, S>(callback: (item: Item, index: number) => void | T, thisArg: S): undefined | T

Overrides Value.forEach
- Defined in swim-system-js/swim-core-js/@swim/structure/main/Absent.ts:133
Type parameters
- T
Parameters
- callback: (item: Item, index: number) => void | T
  - - (item: Item, index: number): void | T
    - Parameters
      - item: Item
      - index: number
      Returns void | T
Returns undefined | T
Overrides Value.forEach
- Defined in swim-system-js/swim-core-js/@swim/structure/main/Absent.ts:134
Type parameters
- T
- S
Parameters
- callback: (item: Item, index: number) => void | T
  - - (item: Item, index: number): void | T
    - Parameters
      - item: Item
      - index: number
      Returns void | T
- thisArg: S
Returns undefined | T

ge

ge(that: AnyValue): Value
ge(that: AnyItem): Item

Inherited from Value.ge
- Defined in swim-system-js/swim-core-js/@swim/structure/lib/main/Value.d.ts:55
Parameters
- that: AnyValue
Returns Value
Inherited from Value.ge
- Defined in swim-system-js/swim-core-js/@swim/structure/lib/main/Value.d.ts:56
Parameters
- that: AnyItem
Returns Item

get

get(key: AnyValue): Value

Inherited from Value.get
- Defined in swim-system-js/swim-core-js/@swim/structure/lib/main/Value.d.ts:29
Parameters
- key: AnyValue
Returns Value

getAttr

getAttr(key: AnyText): Value

Inherited from Value.getAttr
- Defined in swim-system-js/swim-core-js/@swim/structure/lib/main/Value.d.ts:30
Parameters
- key: AnyText
Returns Value

getField

getField(key: AnyValue): undefined | Field

Inherited from Value.getField
- Defined in swim-system-js/swim-core-js/@swim/structure/lib/main/Value.d.ts:32
Parameters
- key: AnyValue
Returns undefined | Field

getItem

getItem(index: AnyNum): Item

Inherited from Value.getItem
- Defined in swim-system-js/swim-core-js/@swim/structure/lib/main/Value.d.ts:33
Parameters
- index: AnyNum
Returns Item

getSlot

getSlot(key: AnyValue): Value

Inherited from Value.getSlot
- Defined in swim-system-js/swim-core-js/@swim/structure/lib/main/Value.d.ts:31
Parameters
- key: AnyValue
Returns Value

gt

gt(that: AnyValue): Value
gt(that: AnyItem): Item

Inherited from Value.gt
- Defined in swim-system-js/swim-core-js/@swim/structure/lib/main/Value.d.ts:57
Parameters
- that: AnyValue
Returns Value
Inherited from Value.gt
- Defined in swim-system-js/swim-core-js/@swim/structure/lib/main/Value.d.ts:58
Parameters
- that: AnyItem
Returns Item

has

has(key: AnyValue): boolean

Inherited from Value.has
- Defined in swim-system-js/swim-core-js/@swim/structure/lib/main/Value.d.ts:28
Parameters
- key: AnyValue
Returns boolean

hashCode

hashCode(): number

Overrides Value.hashCode
- Defined in swim-system-js/swim-core-js/@swim/structure/main/Absent.ts:171
Returns number

head

head(): Item

Inherited from Value.head
- Defined in swim-system-js/swim-core-js/@swim/structure/lib/main/Value.d.ts:24
Returns Item

header

header(tag: string): Value

Inherited from Value.header
- Defined in swim-system-js/swim-core-js/@swim/structure/lib/main/Value.d.ts:22
Parameters
- tag: string
Returns Value

headers

headers(tag: string): undefined | Record

Inherited from Value.headers
- Defined in swim-system-js/swim-core-js/@swim/structure/lib/main/Value.d.ts:23
Parameters
- tag: string
Returns undefined | Record

interpolateTo

interpolateTo(that: Absent): Interpolator<Absent>
interpolateTo(that: Item): Interpolator<Item>
interpolateTo(that: unknown): null | Interpolator<Item>

Overrides Value.interpolateTo
- Defined in swim-system-js/swim-core-js/@swim/structure/main/Absent.ts:145
Parameters
- that: Absent
Returns Interpolator<Absent>
Overrides Value.interpolateTo
- Defined in swim-system-js/swim-core-js/@swim/structure/main/Absent.ts:146
Parameters
- that: Item
Returns Interpolator<Item>
Overrides Value.interpolateTo
- Defined in swim-system-js/swim-core-js/@swim/structure/main/Absent.ts:147
Parameters
- that: unknown
Returns null | Interpolator<Item>

inverse

inverse(): Value

Inherited from Value.inverse
- Defined in swim-system-js/swim-core-js/@swim/structure/lib/main/Value.d.ts:73
Returns Value

invoke

invoke(args: Value): Item

Inherited from Value.invoke
- Defined in swim-system-js/swim-core-js/@swim/structure/lib/main/Item.d.ts:71
Parameters
- args: Value
Returns Item

isAliased

isAliased(): boolean

Inherited from Value.isAliased
- Defined in swim-system-js/swim-core-js/@swim/structure/lib/main/Value.d.ts:82
Returns boolean

isConstant

isConstant(): boolean

Overrides Value.isConstant
- Defined in swim-system-js/swim-core-js/@swim/structure/main/Absent.ts:54
Returns boolean

isDefined

isDefined(): boolean

Overrides Value.isDefined
- Defined in swim-system-js/swim-core-js/@swim/structure/main/Absent.ts:36
Always returns false because Absent represents an undefined value.

Returns boolean

isDefinite

isDefinite(): boolean

Overrides Value.isDefinite
- Defined in swim-system-js/swim-core-js/@swim/structure/main/Absent.ts:50
Always returns false because Absent is not a definite value.

Returns boolean

isDistinct

isDistinct(): boolean

Overrides Value.isDistinct
- Defined in swim-system-js/swim-core-js/@swim/structure/main/Absent.ts:43
Always returns false because Absent is not a distinct value.

Returns boolean

isMutable

isMutable(): boolean

Inherited from Value.isMutable
- Defined in swim-system-js/swim-core-js/@swim/structure/lib/main/Value.d.ts:83
Returns boolean

iterator

iterator(): Cursor<Item>

Overrides Value.iterator
- Defined in swim-system-js/swim-core-js/@swim/structure/main/Absent.ts:141
Returns Cursor<Item>

keyEquals

keyEquals(key: unknown): boolean

Inherited from Value.keyEquals
- Defined in swim-system-js/swim-core-js/@swim/structure/lib/main/Value.d.ts:91
Parameters
- key: unknown
Returns boolean

lambda

lambda(template: Value): Value

Inherited from Value.lambda
- Defined in swim-system-js/swim-core-js/@swim/structure/lib/main/Value.d.ts:74
Parameters
- template: Value
Returns Value

le

le(that: AnyValue): Value
le(that: AnyItem): Item

Inherited from Value.le
- Defined in swim-system-js/swim-core-js/@swim/structure/lib/main/Value.d.ts:49
Parameters
- that: AnyValue
Returns Value
Inherited from Value.le
- Defined in swim-system-js/swim-core-js/@swim/structure/lib/main/Value.d.ts:50
Parameters
- that: AnyItem
Returns Item

lt

lt(that: AnyValue): Value
lt(that: AnyItem): Item

Inherited from Value.lt
- Defined in swim-system-js/swim-core-js/@swim/structure/lib/main/Value.d.ts:47
Parameters
- that: AnyValue
Returns Value
Inherited from Value.lt
- Defined in swim-system-js/swim-core-js/@swim/structure/lib/main/Value.d.ts:48
Parameters
- that: AnyItem
Returns Item

max

max(that: Item): Item

Inherited from Value.max
- Defined in swim-system-js/swim-core-js/@swim/structure/lib/main/Item.d.ts:74
Parameters
- that: Item
Returns Item

min

min(that: Item): Item

Inherited from Value.min
- Defined in swim-system-js/swim-core-js/@swim/structure/lib/main/Item.d.ts:75
Parameters
- that: Item
Returns Item

minus

minus(that: AnyValue): Value
minus(that: AnyItem): Item

Inherited from Value.minus
- Defined in swim-system-js/swim-core-js/@swim/structure/lib/main/Value.d.ts:61
Parameters
- that: AnyValue
Returns Value
Inherited from Value.minus
- Defined in swim-system-js/swim-core-js/@swim/structure/lib/main/Value.d.ts:62
Parameters
- that: AnyItem
Returns Item

modulo

modulo(that: AnyValue): Value
modulo(that: AnyItem): Item

Inherited from Value.modulo
- Defined in swim-system-js/swim-core-js/@swim/structure/lib/main/Value.d.ts:67
Parameters
- that: AnyValue
Returns Value
Inherited from Value.modulo
- Defined in swim-system-js/swim-core-js/@swim/structure/lib/main/Value.d.ts:68
Parameters
- that: AnyItem
Returns Item

ne

ne(that: AnyValue): Value
ne(that: AnyItem): Item

Inherited from Value.ne
- Defined in swim-system-js/swim-core-js/@swim/structure/lib/main/Value.d.ts:53
Parameters
- that: AnyValue
Returns Value
Inherited from Value.ne
- Defined in swim-system-js/swim-core-js/@swim/structure/lib/main/Value.d.ts:54
Parameters
- that: AnyItem
Returns Item

negative

negative(): Value

Inherited from Value.negative
- Defined in swim-system-js/swim-core-js/@swim/structure/lib/main/Value.d.ts:71
Returns Value

not

not(): Value

Overrides Value.not
- Defined in swim-system-js/swim-core-js/@swim/structure/main/Absent.ts:113
Returns Value

numberValue

numberValue(): undefined | number
numberValue<T>(orElse: T): number | T

Inherited from Value.numberValue
- Defined in swim-system-js/swim-core-js/@swim/structure/lib/main/Value.d.ts:77
Returns undefined | number
Inherited from Value.numberValue
- Defined in swim-system-js/swim-core-js/@swim/structure/lib/main/Value.d.ts:78
Type parameters
- T
Parameters
- orElse: T
Returns number | T

or

or(that: AnyValue): Value
or(that: AnyItem): Item

Overrides Value.or
- Defined in swim-system-js/swim-core-js/@swim/structure/main/Absent.ts:101
Parameters
- that: AnyValue
Returns Value
Overrides Value.or
- Defined in swim-system-js/swim-core-js/@swim/structure/main/Absent.ts:102
Parameters
- that: AnyItem
Returns Item

plus

plus(that: AnyValue): Value
plus(that: AnyItem): Item

Inherited from Value.plus
- Defined in swim-system-js/swim-core-js/@swim/structure/lib/main/Value.d.ts:59
Parameters
- that: AnyValue
Returns Value
Inherited from Value.plus
- Defined in swim-system-js/swim-core-js/@swim/structure/lib/main/Value.d.ts:60
Parameters
- that: AnyItem
Returns Item

positive

positive(): Value

Inherited from Value.positive
- Defined in swim-system-js/swim-core-js/@swim/structure/lib/main/Value.d.ts:72
Returns Value

prepended

prepended(...items: AnyItem[]): Record

Overrides Value.prepended
- Defined in swim-system-js/swim-core-js/@swim/structure/main/Absent.ts:81
Parameters
- Rest ...items: AnyItem[]
Returns Record

stringValue

stringValue(): undefined | string
stringValue<T>(orElse: T): string | T

Inherited from Value.stringValue
- Defined in swim-system-js/swim-core-js/@swim/structure/lib/main/Value.d.ts:75
Returns undefined | string
Inherited from Value.stringValue
- Defined in swim-system-js/swim-core-js/@swim/structure/lib/main/Value.d.ts:76
Type parameters
- T
Parameters
- orElse: T
Returns string | T

substitute

substitute(interpreter: AnyInterpreter): Item

Inherited from Value.substitute
- Defined in swim-system-js/swim-core-js/@swim/structure/lib/main/Item.d.ts:77
Parameters
- interpreter: AnyInterpreter
Returns Item

tail

tail(): Record

Inherited from Value.tail
- Defined in swim-system-js/swim-core-js/@swim/structure/lib/main/Value.d.ts:25
Returns Record

times

times(that: AnyValue): Value
times(that: AnyItem): Item

Inherited from Value.times
- Defined in swim-system-js/swim-core-js/@swim/structure/lib/main/Value.d.ts:63
Parameters
- that: AnyValue
Returns Value
Inherited from Value.times
- Defined in swim-system-js/swim-core-js/@swim/structure/lib/main/Value.d.ts:64
Parameters
- that: AnyItem
Returns Item

toAny

toAny(): AnyAbsent

Overrides Value.toAny
- Defined in swim-system-js/swim-core-js/@swim/structure/main/Absent.ts:129
Returns AnyAbsent

toRecon

toRecon(): string

Inherited from Value.toRecon
- Defined in swim-system-js/swim-core-js/@swim/recon/lib/main/index.d.ts:6
Returns string

toReconBlock

toReconBlock(): string

Inherited from Value.toReconBlock
- Defined in swim-system-js/swim-core-js/@swim/recon/lib/main/index.d.ts:7
Returns string

toString

toString(): string

Inherited from Value.toString
- Defined in swim-system-js/swim-core-js/@swim/structure/lib/main/Item.d.ts:109
Returns string

toValue

toValue(): Value

Inherited from Value.toValue
- Defined in swim-system-js/swim-core-js/@swim/structure/lib/main/Value.d.ts:17
Returns Value

unflattened

unflattened(): Record

Overrides Value.unflattened
- Defined in swim-system-js/swim-core-js/@swim/structure/main/Absent.ts:61
Always returns an empty Record because Absent is not a distinct value.

Returns Record

updated

updated(key: AnyValue, value: AnyValue): Record

Overrides Value.updated
- Defined in swim-system-js/swim-core-js/@swim/structure/main/Absent.ts:65
Parameters
- key: AnyValue
- value: AnyValue
Returns Record

updatedAttr

updatedAttr(key: AnyText, value: AnyValue): Record

Overrides Value.updatedAttr
- Defined in swim-system-js/swim-core-js/@swim/structure/main/Absent.ts:69
Parameters
- key: AnyText
- value: AnyValue
Returns Record

updatedSlot

updatedSlot(key: AnyValue, value: AnyValue): Record

Overrides Value.updatedSlot
- Defined in swim-system-js/swim-core-js/@swim/structure/main/Absent.ts:73
Parameters
- key: AnyValue
- value: AnyValue
Returns Record

Static absent

absent(): Absent

Overrides Value.absent
- Defined in swim-system-js/swim-core-js/@swim/structure/main/Absent.ts:184
Returns Absent

Static builder

builder(): Builder<Item, Value>

Inherited from Value.builder
- Defined in swim-system-js/swim-core-js/@swim/structure/lib/main/Value.d.ts:92
Returns Builder<Item, Value>

Static empty

empty(): Value

Inherited from Value.empty
- Defined in swim-system-js/swim-core-js/@swim/structure/lib/main/Value.d.ts:93
Returns Value

Static extant

extant(): Value

Inherited from Value.extant
- Defined in swim-system-js/swim-core-js/@swim/structure/lib/main/Value.d.ts:94
Returns Value

Static fromAny

fromAny(value: AnyAbsent): Absent

Overrides Value.fromAny
- Defined in swim-system-js/swim-core-js/@swim/structure/main/Absent.ts:188
Parameters
- value: AnyAbsent
Returns Absent

Static globalScope

globalScope(): Item

Inherited from Value.globalScope
- Defined in swim-system-js/swim-core-js/@swim/structure/lib/main/Item.d.ts:114
Returns Item

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