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45 lines
1.3 KiB
Python
45 lines
1.3 KiB
Python
"""Ternary conditional expressions and evaluation order."""
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from timer import test, dead
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@test
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def test_ternary_true(t):
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# Condition is True — consequent evaluated, alternative skipped
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x = (1 @ t[1] if True @ t[0] else 2 @ t[dead(1)]) @ t[2]
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@test
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def test_ternary_false(t):
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# Condition is False — alternative evaluated, consequent skipped
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x = (1 @ t[dead(1)] if False @ t[0] else 2 @ t[1]) @ t[2]
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@test
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def test_ternary_nested(t):
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# Nested: outer condition True, inner condition True
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# ((10 if C1 else 20) if C2 else 30) — C2 first, then C1, then 10
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x = ((10 @ t[2] if True @ t[1] else 20 @ t[dead(2)]) @ t[3] if True @ t[0] else 30 @ t[dead(1)]) @ t[4]
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@test
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def test_ternary_assignment(t):
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# Ternary result assigned, then used in later expression
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value = (100 @ t[1] if True @ t[0] else 200 @ t[dead(1)]) @ t[2]
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result = (value @ t[3] + 1 @ t[4]) @ t[5]
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@test
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def test_ternary_complex_expressions(t):
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# Complex sub-expressions in condition and consequent
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x = ((1 @ t[3] + 2 @ t[4]) @ t[5] if (3 @ t[0] > 2 @ t[1]) @ t[2] else (4 @ t[dead(3)] + 5 @ t[dead(4)]) @ t[dead(5)]) @ t[6]
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@test
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def test_ternary_as_argument(t):
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# Ternary used as a function argument
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def f(a):
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return a @ t[4]
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result = (f @ t[0])((1 @ t[2] if True @ t[1] else 2 @ t[dead(2)]) @ t[3]) @ t[5]
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