code: function(result, raw_expression) {
  
  		if (raw_expression.arguments.length != 1) Lava.t("Expression block requires exactly one argument");
  
  		var config = {
  			type: 'view',
  			"class": 'Expression',
  			argument: raw_expression.arguments[0]
  		};
  
  		if (raw_expression.prefix == '$') {
  
  			config.container = {type: 'Morph'};
  
  		}
  
  		result.push(config);
  
  	}
docs: Compile raw expression view. Will produce a view config with class="Expression"
  @param {_tTemplate} result
  @param {_cRawExpression} raw_expression