8 lines
227 B
Text
8 lines
227 B
Text
def tf(expr a) = if a: "true" else: "false" fi enddef;
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def test(expr a, b) =
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for o = "and", "or":
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message tf(a) & " " & o & " " & tf(b);
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show a scantokens(o) b;
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endfor
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message "not " & tf(a);
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show not a enddef;
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