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export function splitWhen(predicate, input){  if (arguments.length === 1){    return _input => splitWhen(predicate, _input)  }  if (!input)    throw new TypeError(`Cannot read property 'length' of ${ input }`)
  const preFound = []  const postFound = []  let found = false  let counter = -1
  while (counter++ < input.length - 1){    if (found){      postFound.push(input[ counter ])    } else if (predicate(input[ counter ])){      postFound.push(input[ counter ])      found = true    } else {      preFound.push(input[ counter ])    }  }
  return [ preFound, postFound ]}