Class None

Hierarchy

Optional<NonNullable<any>>
- None

Index

Properties

nil

Methods

Properties

Static nil

nil: None = new None()

Methods

filter

filter(f: (val: NonNullable<any>) => boolean): Optional<NonNullable<any>>

Overrides Optional.filter
- Defined in Optional.ts:80
Parameters
- f: (val: NonNullable<any>) => boolean
  - - (val: NonNullable<any>): boolean
    - Parameters
      - val: NonNullable<any>
      Returns boolean
Returns Optional<NonNullable<any>>

flatMap

flatMap<A>(f: (val: NonNullable<any>) => Optional<A>): Optional<A>

Overrides Optional.flatMap
- Defined in Optional.ts:88
Type parameters
- A: NonNullable<any>
Parameters
- f: (val: NonNullable<any>) => Optional<A>
  - - (val: NonNullable<any>): Optional<A>
    - Parameters
      - val: NonNullable<any>
      Returns Optional<A>
Returns Optional<A>

foreach

foreach(f: (val: NonNullable<any>) => void): Optional<NonNullable<any>>

Overrides Optional.foreach
- Defined in Optional.ts:108
Parameters
- f: (val: NonNullable<any>) => void
  - - (val: NonNullable<any>): void
    - Parameters
      - val: NonNullable<any>
      Returns void
Returns Optional<NonNullable<any>>

get

get(): NonNullable<any>

Overrides Optional.get
- Defined in Optional.ts:92
Returns NonNullable<any>

getOrElse

getOrElse(val: NonNullable<any>): NonNullable<any>

Overrides Optional.getOrElse
- Defined in Optional.ts:96
Parameters
- val: NonNullable<any>
Returns NonNullable<any>

isEmpty

isEmpty(): boolean

Overrides Optional.isEmpty
- Defined in Optional.ts:104
Returns boolean

map

map<A>(f: (val: NonNullable<any>) => A): Optional<A>

Overrides Optional.map
- Defined in Optional.ts:76
Type parameters
- A: NonNullable<any>
Parameters
- f: (val: NonNullable<any>) => A
  - - (val: NonNullable<any>): A
    - Parameters
      - val: NonNullable<any>
      Returns A
Returns Optional<A>

nonEmpty

nonEmpty(): boolean

Overrides Optional.nonEmpty
- Defined in Optional.ts:84
Returns boolean

or

or(func: () => Optional<NonNullable<any>>): Optional<NonNullable<any>>

Overrides Optional.or
- Defined in Optional.ts:100
Parameters
- func: () => Optional<NonNullable<any>>
  - - (): Optional<NonNullable<any>>
    - Returns Optional<NonNullable<any>>
Returns Optional<NonNullable<any>>

Static of

of<T>(value: T | undefined): Optional<T>

Inherited from Optional.of
- Defined in Optional.ts:9
Type parameters
- T
Parameters
- value: T | undefined
Returns Optional<T>

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