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from __future__ import annotations
from tatsu.util import is_posix
U_LARROW = '\u2190'
U_DLARROW = '\u2199'
U_LDARROW = '\u21D0'
U_UDARROW = '\u21D1'
U_RDARROW = '\u21D2'
U_DDARROW = '\u21D3'
U_L_TRIPPLE_ARROW = '\u21DA'
U_WARNING = '\u26A0'
U_NOT_EQUAL_TO = '\u2260'
U_IDENTICAL_TO = '\u2261'
U_NOT_IDENTICAL_TO = '\u2262'
U_CHECK_MARK = '\u2713'
U_POWER_SYMBOL = '\u23FB'
U_POWER_ON_SYMBOL = '\u23FC'
U_POWER_OFF_SYMBOL = '\u23FD'
U_GREEK_SMALL_LETTER_EPSILON = '\u03B5'
U_REGISTERED_SIGN = '\u00AE'
U_RIENNMAN = '\u211D'
U_ANTICLOCKWISE_OPEN_CIRCLE_ARROW = '\u21BA'
U_ANTICLOCKWISE_GAPPED_CIRCLE_ARROW = '\u27F2'
U_PUNCTUATION_SPACE = '\u2008'
U_FOUR_PER_EM_SPACE = '\u2005'
U_MEDIUM_MATHEMATICAL_SPACE = '\u205F'
U_ZERO_WIDTH_NO_BREAK_SPACE = '\uFEFF'
U_BLACK_SCISSORS = '\u2702'
U_CROSSED_SWORDS = '\u2694'
if not is_posix():
C_DERIVE = '<'
C_ENTRY = '<'
C_SUCCESS = '>'
C_FAILURE = '!'
C_RECURSION = 'r '
C_CUT = '~'
else:
C_DERIVE = U_DLARROW
C_ENTRY = C_DERIVE
C_SUCCESS = U_IDENTICAL_TO
C_FAILURE = U_NOT_IDENTICAL_TO
C_RECURSION = U_ANTICLOCKWISE_GAPPED_CIRCLE_ARROW + U_FOUR_PER_EM_SPACE
C_CUT = U_CROSSED_SWORDS
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