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sepBy composite ​

Signature ​

ts
function sepBy<T, S>(parser: Parser<T>, sep: Parser<S>): Parser<Array<T>>

Description ​

sepBy combinator parses zero or more occurrences of parser, separated by sep. Returns a list of values (without separator) returned by parser. This combinator never fails and returns an empty list if nothing matched.

Usage ​

ts
const Parser = sepBy(whole(), string('+'))

Success

ts
run(Parser).with('1+2+3+4')

{
  isOk: true,
  span: [ 0, 7 ],
  pos: 7,
  value: [ 1, 2, 3, 4 ]
}
ts
run(Parser).with('1-two')

{
  isOk: true,
  span: [ 0, 1 ],
  pos: 1,
  value: [ 1 ]
}
ts
run(Parser).with('one+two')

{
  isOk: true,
  span: [ 0, 0 ],
  pos: 0,
  value: []
}