SOURCE_FILE@0..56
  IMPL@0..55
    IMPL_KW@0..4 "impl"
    WHITESPACE@4..5 " "
    PATH_TYPE@5..6
      PATH@5..6
        PATH_SEGMENT@5..6
          NAME_REF@5..6
            IDENT@5..6 "T"
    WHITESPACE@6..7 " "
    FOR_KW@7..10 "for"
    WHITESPACE@10..11 " "
    PATH_TYPE@11..14
      PATH@11..14
        PATH_SEGMENT@11..14
          NAME_REF@11..14
            IDENT@11..14 "Foo"
    WHITESPACE@14..15 " "
    ASSOC_ITEM_LIST@15..55
      L_CURLY@15..16 "{"
      WHITESPACE@16..21 "\n    "
      FN@21..53
        DEFAULT_KW@21..28 "default"
        WHITESPACE@28..29 " "
        ASYNC_KW@29..34 "async"
        WHITESPACE@34..35 " "
        UNSAFE_KW@35..41 "unsafe"
        WHITESPACE@41..42 " "
        FN_KW@42..44 "fn"
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        NAME@45..48
          IDENT@45..48 "foo"
        PARAM_LIST@48..50
          L_PAREN@48..49 "("
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        WHITESPACE@50..51 " "
        BLOCK_EXPR@51..53
          L_CURLY@51..52 "{"
          R_CURLY@52..53 "}"
      WHITESPACE@53..54 "\n"
      R_CURLY@54..55 "}"
  WHITESPACE@55..56 "\n"