abstract class $IS_NIL


Descendants
$NIL TOKEN RAT $STRINGS
$SEARCH{_,_} $TEXT_STRING{_,_,_} RUNES STR
HEX_STR $STRING{_,_,_} BINSTR $FSTRINGS
$FSTRING{_} $FTEXT_STRING{_} $FTEXT_STRING{_,_,_} FRUNES
FSTR FBINSTR $STRING{_} $TEXT_STRING{_}
RECTANGLE $ENUMS{_} VERSION_KEYS FILE_LOCS
ERE_ERROR_KINDS FILE_MODES ADDRESS_CODES CODE_KINDS
ACCESS_CODES NUM_SIGNS SYS_CHANS DATE_SUFFICES
CHAR_CLASS CAL_DISPLAY_ORDERS PERMISSIONS CURSOR_ERRORS
UNITS FILE_KINDS INFO_KINDS CONDITIONALS
TIME_SUFFIX MON_SPACING SYMBOLS WEEKDAYS
FLUSH_CMDS SYS_EXCEPT DT_CODES PATH_KINDS
MAP_PARTS DATE_FORMS DIRECTIONS CATEGORIES
MONTHS ERE_LEX_TOKENS MAP_MODES CONVERSION_RESULTS
MONETARY_UNITS TRI_STATE CHAR_MAPPINGS NAME_CODES
SIGN_POSITIONS ADDRESS_KEYS PHONE_CODES SCRIPTS
CAT_STANDARDS UNIT_KINDS SALUTATIONS $VALUE{_}
$ORDERED{_} UNICODE CHAR_CODE TIMES
TIME_STAMP $CHAR{_} RUNE CHAR
ELAPSED ANGLED ORDER_WEIGHT $DATES{_}
ERA_DATES DATES ANGLE $NFE{_}
MONEY $ARITHMETIC{_} $COMPLEX{_,_} CPXD
CPX $RATIONAL{_} $REAL{_} FLT
FLTD $SIMPLE_NUM{_} $WHOLE_NUM{_} INTI
$CARDINAL{_} $INTEGER{_} INT FIELD
CARD



Public


Features
is_nil : BOOL ;

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