External module "lib/Ops"

Index

Classes

Functions

Functions

firstOf

firstOf(a: any, b: any, ...matchers: any[]): MatchingLogic

- Defined in lib/Ops.ts:138
Match the first of these matchers that matches. Equivalent to an Alt (alternate)

Parameters
- a: any
  
  first matcher
- b: any
  
  second matcher
- Rest ...matchers: any[]
  
  any further matchers: varargs
Returns MatchingLogic

optional

optional(o: any): MatchingLogic

- Defined in lib/Ops.ts:32
Optional match on the given matcher

Parameters
- o: any
  
  matcher
Returns MatchingLogic

when

when(o: any, matchTest: function, inputStateTest?: function): MatchingLogic

- Defined in lib/Ops.ts:201
Add a condition with a function that verifies that even if we found a match we are happy with it: For example, we like the value it contains. Also capable of vetoing match if the input state is problematic before the potential match

Parameters
- o: any
- matchTest: function
  - - (pm: PatternMatch): boolean
    - Parameters
      - pm: PatternMatch
      Returns boolean
- Default value inputStateTest: function = () => true
  - - (is: InputState): boolean
    - Parameters
      - is: InputState
      Returns boolean
Returns MatchingLogic

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