tests.il

int fib(n) |
    if n <= 1 ? return x : return fib(n-1) + fib(n-2)

string concat(x, y) | return (string) x + y

vector loopTest(n)    | 
  i = 0, ret_vec = [] |  
    for i != n : ret_vec[i] = i * 2, i++ >> return ret_vec

vector tokenStream = []
vector cleanTokens(tokens) |
  int diff, char temp_char, string temp |
    vector_init(token_vector), for tkn in tokens :
      checkWord(tkn), checkSpecial(tkn), checkSymbol(tkn), checkIdent(tkn)

boolean checkWord(token) |
  if TOKENS[token] ? tokenStream.push(token) : return false

boolean checkSpecial(token) |
  switch token : '\n' => true, '\t' => true, '\r' => true >> return false