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Char map (dictionary) which can work on intervals. #3

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sergey-shandar opened this issue Jun 28, 2019 · 0 comments

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sergey-shandar commented Jun 28, 2019 •

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We need it for the parser #2

type Char = string

type CharInterval<T> = {
  readonly min: Char
  readonly max: Char
  readonly value: T
}

type CharMap<T> = {  
  readonly iterable: () => Iterable<CharInterval<T>>
  readonly add: (_: CharInterval<T>) => CharMap<T>
}

const create
  : <T>(default: T) => CharMap<T>

Simple implementation is a list. In the future, we may consider to use a tree.

sergey-shandar added this to the Stage 0 milestone

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