SOURCE_FILE
  ATTR
    POUND "#"
    BANG "!"
    L_BRACK "["
    META
    R_BRACK "]"
  WHITESPACE "\n"
  ATTR
    POUND "#"
    BANG "!"
    L_BRACK "["
    META
      PATH
        PATH_SEGMENT
          NAME_REF
            IDENT "p"
      WHITESPACE " "
      EQ "="
    WHITESPACE " "
    R_BRACK "]"
  WHITESPACE "\n"
  ATTR
    POUND "#"
    BANG "!"
    L_BRACK "["
    META
      PATH
        PATH
          PATH_SEGMENT
            NAME_REF
              IDENT "p"
        COLON2 "::"
    R_BRACK "]"
  WHITESPACE "\n"
  ATTR
    POUND "#"
    BANG "!"
    L_BRACK "["
    META
      PATH
        PATH
          PATH_SEGMENT
            NAME_REF
              IDENT "p"
        COLON2 "::"
      WHITESPACE " "
      EQ "="
    R_BRACK "]"
  WHITESPACE "\n"
  ATTR
    POUND "#"
    BANG "!"
    L_BRACK "["
    META
      UNSAFE_KW "unsafe"
    R_BRACK "]"
  WHITESPACE "\n"
  ATTR
    POUND "#"
    BANG "!"
    L_BRACK "["
    META
      UNSAFE_KW "unsafe"
      WHITESPACE " "
      EQ "="
    R_BRACK "]"
  WHITESPACE "\n"
error 3: expected identifier, `self`, `super`, `crate`, or `Self`
error 11: expected expression
error 11: expected expression
error 20: expected identifier, `self`, `super`, `crate`, or `Self`
error 28: expected identifier, `self`, `super`, `crate`, or `Self`
error 30: expected expression
error 30: expected expression
error 41: expected L_PAREN
error 41: expected identifier, `self`, `super`, `crate`, or `Self`
error 41: expected R_PAREN
error 52: expected L_PAREN
error 52: expected identifier, `self`, `super`, `crate`, or `Self`
error 54: expected expression
error 54: expected expression
error 54: expected R_PAREN
