binary

binary parses a binary number prefixed with 0b or 0B, e.g. 0b10, 0B10. Returns a decimal number obtained using parseInt with radix of 2.

Usage

const Parser = binary()

Success

run(Parser).with('0b10')

{
  isOk: true,
  start: 0,
  end: 4,
  pos: 4,
  value: 2
}

Failure

run(Parser).with('b10')

{
  isOk: false,
  start: 0,
  end: 0,
  pos: 0,
  expected: 'binary number'
}