SOURCE_FILE@0..30
  FN@0..29
    FN_KW@0..2 "fn"
    WHITESPACE@2..3 " "
    NAME@3..6
      IDENT@3..6 "foo"
    PARAM_LIST@6..8
      L_PAREN@6..7 "("
      R_PAREN@7..8 ")"
    WHITESPACE@8..13 "\n    "
    WHERE_CLAUSE@13..26
      WHERE_KW@13..18 "where"
      WHITESPACE@18..19 " "
      WHERE_PRED@19..26
        FOR_KW@19..22 "for"
        GENERIC_PARAM_LIST@22..26
          L_ANGLE@22..23 "<"
          LIFETIME_PARAM@23..25
            LIFETIME@23..25
              LIFETIME_IDENT@23..25 "'a"
          R_ANGLE@25..26 ">"
    WHITESPACE@26..27 "\n"
    BLOCK_EXPR@27..29
      L_CURLY@27..28 "{"
      R_CURLY@28..29 "}"
  WHITESPACE@29..30 "\n"
error 26..26: expected type
error 26..26: expected colon