SOURCE_FILE@0..30
  FN@0..29
    FN_KW@0..2 "fn"
    WHITESPACE@2..3 " "
    NAME@3..7
      IDENT@3..7 "main"
    PARAM_LIST@7..9
      L_PAREN@7..8 "("
      R_PAREN@8..9 ")"
    WHITESPACE@9..10 " "
    BLOCK_EXPR@10..29
      L_CURLY@10..11 "{"
      WHITESPACE@11..16 "\n    "
      EXPR_STMT@16..22
        ERROR@16..22
          LABEL@16..22
            LIFETIME@16..21 "\'loop"
            COLON@21..22 ":"
      WHITESPACE@22..23 " "
      IMPL@23..27
        IMPL_KW@23..27 "impl"
      WHITESPACE@27..28 "\n"
      R_CURLY@28..29 "}"
  WHITESPACE@29..30 "\n"
error 22..22: expected a loop
error 22..22: expected SEMICOLON
error 27..27: expected type
error 27..27: expected `{`