20 lines
328 B
Text
20 lines
328 B
Text
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; procedures
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to square :x
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output :x * :x
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end
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show defined? "x ; true
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show procedure? "x ; true (also works for built-in primitives)
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erase "x
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show defined? "x ; false
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show square 3 ; I don't know how to square
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; names
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make "n 23
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show name? "n ; true
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ern "n
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show name? "n ; false
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show :n ; n has no value
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