Function optionalMap

optionalMap<T, U>(optionalValue, mapper): U | undefined
Applies map function to optionalValue if it contains value, otherwise returns undefined
Type Parameters
- T
- U
Parameters
- optionalValue: undefined | null | T
- mapper: ((nonOpt) => U)
  - - (nonOpt): U
    - Parameters
      
      nonOpt: NonNullable<T>
      
      Returns U
Returns U | undefined
- Defined in src/core/optional.ts:6
optionalMap<T, U>(optionalValue, mapper, defaultValue): U
Applies map function to optionalValue if it contains value, otherwise returns default
Type Parameters
- T
- U
Parameters
- optionalValue: undefined | null | T
- mapper: ((nonOpt) => U)
  - - (nonOpt): U
    - Parameters
      
      nonOpt: NonNullable<T>
      
      Returns U
- defaultValue: U
Returns U
- Defined in src/core/optional.ts:14

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