/** * This class represents a prefix (unary) operator. * @private */Ext.define('Ext.parse.symbol.Prefix', { extend: 'Ext.parse.Symbol', arity: 'unary', isUnary: true, priority: 70, nud: function() { var me = this; me.operand = me.parser.parseExpression(me.priority); // the next line is here in case this symbol already exists in the symbols table // and this function overrides that symbol me.arity = 'unary'; me.isUnary = true; return me; }});