class Gammo::XPath::AST::Negative
@!visibility private
Public Class Methods
new(expression)
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# File lib/gammo/xpath/ast/expression.rb, line 224 def initialize(expression) @expression = expression end
Public Instance Methods
evaluate(context)
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# File lib/gammo/xpath/ast/expression.rb, line 228 def evaluate(context) AST::Value::Number.new(-@expression.evaluate(context).to_number) end