class AsciiMath::AST::SubSup
Public Class Methods
new(e, sub, sup)
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Calls superclass method
AsciiMath::AST::InnerNode::new
# File lib/asciimath/ast.rb, line 184 def initialize(e, sub, sup) super() add(e) add(sub || Empty.new) add(sup || Empty.new) end
Public Instance Methods
==(o)
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# File lib/asciimath/ast.rb, line 219 def ==(o) o.class == self.class && o.base_expression == base_expression && o.sub_expression == sub_expression && o.sup_expression == sup_expression end
base_expression()
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# File lib/asciimath/ast.rb, line 191 def base_expression child_nodes[0] end
sub_expression()
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# File lib/asciimath/ast.rb, line 195 def sub_expression child = child_nodes[1] child.is_a?(Empty) ? nil : child end
sup_expression()
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# File lib/asciimath/ast.rb, line 200 def sup_expression child = child_nodes[2] child.is_a?(Empty) ? nil : child end
to_s()
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# File lib/asciimath/ast.rb, line 205 def to_s s = "" s << base_expression.to_s sub = sub_expression if sub s << "_" << sub.to_s end sup = sup_expression if sup s << "^" << sup.to_s end s end