Operator
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Description
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Example
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In
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Evaluates to true if it finds a
variable in the specified sequence and false otherwise.
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x in y, here in results in a 1 if x is
a member of sequence y.
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not in
|
Evaluates to true if it does not finds
a variable in the specified sequence and false otherwise.
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x not in y, here not in results in a 1
if x is a member of sequence y.
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