Function reduceLeft

reduceLeft<TToken, TOptions, TAcc, TValue>(acc: TAcc, p: Parser<TToken, TOptions, TValue>, reducer: ((acc: TAcc, v: TValue, data: Data<TToken, TOptions>, i: number, j: number) => TAcc)): Matcher<TToken, TOptions, TAcc>
Make a Matcher that takes 0 or more matches from the same parser and reduces them into one value in left-to-right (first-to-last) order.

Note: accumulator is the left (first) argument.

Use leftAssoc1 if you have an initial value to be parsed first.

Implementation is based on chainReduce and map.
Type Parameters
- TToken
- TOptions
- TAcc
- TValue
Parameters
- acc: TAcc
  
  Initial value for the accumulator.
- p: Parser<TToken, TOptions, TValue>
  
  Parser for each next value.
- reducer: ((acc: TAcc, v: TValue, data: Data<TToken, TOptions>, i: number, j: number) => TAcc)
  
  Function to combine the accumulator and each parsed value.
  - - (acc: TAcc, v: TValue, data: Data<TToken, TOptions>, i: number, j: number): TAcc
    - Parameters
      
      acc: TAcc
      
      Accumulated value.
      
      v: TValue
      
      Value from each successful parsing.
      
      data: Data<TToken, TOptions>
      
      Data object (tokens and options).
      
      i: number
      
      Position before current match.
      
      j: number
      
      Position after current match.
      
      Returns TAcc
Returns Matcher<TToken, TOptions, TAcc>

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