class Constant extends LeafExpression
Constant values can be used in expressions which have multiple arguments. . The actual value of a constant is given by the content of the element. For example, <Constant>1.05</Constant> represents the number 1.05. The dataType of Constant can be optionally specified.
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Returns the result of evaluating this expression on a given input Series
Returns the result of evaluating this expression on a given input Series
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